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203038080 = 2735715107
BaseRepresentation
bin11000001101000…
…01110110000000
3112011001101212220
430012201312000
5403434204310
632051451040
75013536520
oct1406416600
9464041786
10203038080
11a4678573
1257bb6a80
13330ac09b
141cd73680
1512c59670
hexc1a1d80

203038080 has 128 divisors (see below), whose sum is σ = 739687680. Its totient is φ = 46405632.

The previous prime is 203038049. The next prime is 203038081. The reversal of 203038080 is 80830302.

It is a tau number, because it is divible by the number of its divisors (128).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 203038080.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203038081) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5887 + ... + 20993.

It is an arithmetic number, because the mean of its divisors is an integer number (5778810).

Almost surely, 2203038080 is an apocalyptic number.

203038080 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 203038080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (369843840).

203038080 is an abundant number, since it is smaller than the sum of its proper divisors (536649600).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

203038080 is a wasteful number, since it uses less digits than its factorization.

203038080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15136 (or 15124 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 203038080 is about 14249.1431321325. The cubic root of 203038080 is about 587.7498125784.

Adding to 203038080 its reverse (80830302), we get a palindrome (283868382).

The spelling of 203038080 in words is "two hundred three million, thirty-eight thousand, eighty".

Divisors: 1 2 3 4 5 6 7 8 10 12 14 15 16 20 21 24 28 30 32 35 40 42 48 56 60 64 70 80 84 96 105 112 120 128 140 160 168 192 210 224 240 280 320 336 384 420 448 480 560 640 672 840 896 960 1120 1344 1680 1920 2240 2688 3360 4480 6720 13440 15107 30214 45321 60428 75535 90642 105749 120856 151070 181284 211498 226605 241712 302140 317247 362568 422996 453210 483424 528745 604280 634494 725136 845992 906420 966848 1057490 1208560 1268988 1450272 1586235 1691984 1812840 1933696 2114980 2417120 2537976 2900544 3172470 3383968 3625680 4229960 4834240 5075952 5801088 6344940 6767936 7251360 8459920 9668480 10151904 12689880 13535872 14502720 16919840 20303808 25379760 29005440 33839680 40607616 50759520 67679360 101519040 203038080