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102231968 = 2519716217
BaseRepresentation
bin1100001011111…
…10111110100000
321010100220220012
412011332332200
5202132410333
614051104052
72350646246
oct605767640
9233326805
10102231968
1152786433
122a2a2028
13182456b7
14d812796
158e95e48
hex617efa0

102231968 has 24 divisors (see below), whose sum is σ = 202303332. Its totient is φ = 50853376.

The previous prime is 102231967. The next prime is 102231971. The reversal of 102231968 is 869132201.

It can be written as a sum of positive squares in 2 ways, for example, as 80066704 + 22165264 = 8948^2 + 4708^2 .

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102231967) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1805 + ... + 14412.

Almost surely, 2102231968 is an apocalyptic number.

It is an amenable number.

102231968 is a deficient number, since it is larger than the sum of its proper divisors (100071364).

102231968 is a wasteful number, since it uses less digits than its factorization.

102231968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16424 (or 16416 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 32.

The square root of 102231968 is about 10110.9825437491. The cubic root of 102231968 is about 467.5867977285.

The spelling of 102231968 in words is "one hundred two million, two hundred thirty-one thousand, nine hundred sixty-eight".

Divisors: 1 2 4 8 16 32 197 394 788 1576 3152 6304 16217 32434 64868 129736 259472 518944 3194749 6389498 12778996 25557992 51115984 102231968