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203089740 = 22357617927
BaseRepresentation
bin11000001101011…
…10011101001100
3112011011000202020
430012232131030
5403442332430
632052530140
75014143240
oct1406563514
9464130666
10203089740
11a4703367
1258020950
13330c9759
141cd88420
1512c69b10
hexc1ae74c

203089740 has 96 divisors (see below), whose sum is σ = 660624384. Its totient is φ = 45653760.

The previous prime is 203089721. The next prime is 203089751. The reversal of 203089740 is 47980302.

203089740 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21657 + ... + 29583.

It is an arithmetic number, because the mean of its divisors is an integer number (6881504).

Almost surely, 2203089740 is an apocalyptic number.

203089740 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 203089740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (330312192).

203089740 is an abundant number, since it is smaller than the sum of its proper divisors (457534644).

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

203089740 is a wasteful number, since it uses less digits than its factorization.

203089740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8007 (or 8005 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 33.

The square root of 203089740 is about 14250.9557574220. The cubic root of 203089740 is about 587.7996563984.

The spelling of 203089740 in words is "two hundred three million, eighty-nine thousand, seven hundred forty".

Divisors: 1 2 3 4 5 6 7 10 12 14 15 20 21 28 30 35 42 60 61 70 84 105 122 140 183 210 244 305 366 420 427 610 732 854 915 1220 1281 1708 1830 2135 2562 3660 4270 5124 6405 7927 8540 12810 15854 23781 25620 31708 39635 47562 55489 79270 95124 110978 118905 158540 166467 221956 237810 277445 332934 475620 483547 554890 665868 832335 967094 1109780 1450641 1664670 1934188 2417735 2901282 3329340 3384829 4835470 5802564 6769658 7253205 9670940 10154487 13539316 14506410 16924145 20308974 29012820 33848290 40617948 50772435 67696580 101544870 203089740