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90141120 = 2633510433
BaseRepresentation
bin1010101111101…
…11000111000000
320021121122101000
411113313013000
5141034003440
612540012000
72143121046
oct527670700
9207548330
1090141120
11469783a3
1226231000
13158a1254
14bd86396
157da8730
hex55f71c0

90141120 has 112 divisors (see below), whose sum is σ = 318028320. Its totient is φ = 24035328.

The previous prime is 90141091. The next prime is 90141127. The reversal of 90141120 is 2114109.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 90141093 and 90141102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90141127) 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, 3424 + ... + 13856.

Almost surely, 290141120 is an apocalyptic number.

90141120 is a gapful number since it is divisible by the number (90) 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 90141120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (159014160).

90141120 is an abundant number, since it is smaller than the sum of its proper divisors (227887200).

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

90141120 is a wasteful number, since it uses less digits than its factorization.

90141120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10459 (or 10443 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

The square root of 90141120 is about 9494.2677442760. The cubic root of 90141120 is about 448.3745804271.

Adding to 90141120 its reverse (2114109), we get a palindrome (92255229).

The spelling of 90141120 in words is "ninety million, one hundred forty-one thousand, one hundred twenty".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 27 30 32 36 40 45 48 54 60 64 72 80 90 96 108 120 135 144 160 180 192 216 240 270 288 320 360 432 480 540 576 720 864 960 1080 1440 1728 2160 2880 4320 8640 10433 20866 31299 41732 52165 62598 83464 93897 104330 125196 156495 166928 187794 208660 250392 281691 312990 333856 375588 417320 469485 500784 563382 625980 667712 751176 834640 938970 1001568 1126764 1251960 1408455 1502352 1669280 1877940 2003136 2253528 2503920 2816910 3004704 3338560 3755880 4507056 5007840 5633820 6009408 7511760 9014112 10015680 11267640 15023520 18028224 22535280 30047040 45070560 90141120