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232285967640 = 23325645238799
BaseRepresentation
bin1101100001010101010…
…0101001010100011000
3211012120102000202221200
43120111110221110120
512301210201431030
6254413302234200
722532156101356
oct3302524512430
9735512022850
10232285967640
118a56a411591
1239028125960
1318b9b18533c
14b357d847d6
156097aebd60
hex3615529518

232285967640 has 48 divisors (see below), whose sum is σ = 754929396000. Its totient is φ = 61942924608.

The previous prime is 232285967623. The next prime is 232285967651. The reversal of 232285967640 is 46769582232.

232285967640 is a `hidden beast` number, since 2 + 3 + 2 + 2 + 8 + 596 + 7 + 6 + 40 = 666.

It is a super-4 number, since 4×2322859676404 (a number of 47 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 322619040 + ... + 322619759.

It is an arithmetic number, because the mean of its divisors is an integer number (15727695750).

Almost surely, 2232285967640 is an apocalyptic number.

232285967640 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

232285967640 is an abundant number, since it is smaller than the sum of its proper divisors (522643428360).

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

232285967640 is a wasteful number, since it uses less digits than its factorization.

232285967640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 645238816 (or 645238809 counting only the distinct ones).

The product of its (nonzero) digits is 8709120, while the sum is 54.

The spelling of 232285967640 in words is "two hundred thirty-two billion, two hundred eighty-five million, nine hundred sixty-seven thousand, six hundred forty".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 18 20 24 30 36 40 45 60 72 90 120 180 360 645238799 1290477598 1935716397 2580955196 3226193995 3871432794 5161910392 5807149191 6452387990 7742865588 9678581985 11614298382 12904775980 15485731176 19357163970 23228596764 25809551960 29035745955 38714327940 46457193528 58071491910 77428655880 116142983820 232285967640