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102238872 = 23310873919
BaseRepresentation
bin1100001100000…
…00101010011000
321010101021100220
412012000222120
5202133120442
614051200040
72351005341
oct606005230
9233337326
10102238872
115279063a
122a2a6020
1318248898
14d8150c8
158e97eec
hex6180a98

102238872 has 32 divisors (see below), whose sum is σ = 255897600. Its totient is φ = 34039584.

The previous prime is 102238849. The next prime is 102238879. The reversal of 102238872 is 278832201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102238879) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24129 + ... + 28047.

It is an arithmetic number, because the mean of its divisors is an integer number (7996800).

Almost surely, 2102238872 is an apocalyptic number.

102238872 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

102238872 is an abundant number, since it is smaller than the sum of its proper divisors (153658728).

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

102238872 is a wasteful number, since it uses less digits than its factorization.

102238872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5015 (or 5011 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 33.

The square root of 102238872 is about 10111.3239489198. The cubic root of 102238872 is about 467.5973232899.

The spelling of 102238872 in words is "one hundred two million, two hundred thirty-eight thousand, eight hundred seventy-two".

Divisors: 1 2 3 4 6 8 12 24 1087 2174 3261 3919 4348 6522 7838 8696 11757 13044 15676 23514 26088 31352 47028 94056 4259953 8519906 12779859 17039812 25559718 34079624 51119436 102238872