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102231084 = 2238519257
BaseRepresentation
bin1100001011111…
…10110000101100
321010100212200110
412011332300230
5202132343314
614051100020
72350643544
oct605766054
9233325613
10102231084
11527857aa
122a2a1610
1318245187
14d812324
158e95a59
hex617ec2c

102231084 has 12 divisors (see below), whose sum is σ = 238539224. Its totient is φ = 34077024.

The previous prime is 102231083. The next prime is 102231097. The reversal of 102231084 is 480132201.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 102231084.

It is not an unprimeable number, because it can be changed into a prime (102231083) 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, 4259617 + ... + 4259640.

Almost surely, 2102231084 is an apocalyptic number.

It is an amenable number.

102231084 is an abundant number, since it is smaller than the sum of its proper divisors (136308140).

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

102231084 is a wasteful number, since it uses less digits than its factorization.

102231084 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8519264 (or 8519262 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 21.

The square root of 102231084 is about 10110.9388288131. The cubic root of 102231084 is about 467.5854499833.

Adding to 102231084 its reverse (480132201), we get a palindrome (582363285).

The spelling of 102231084 in words is "one hundred two million, two hundred thirty-one thousand, eighty-four".

Divisors: 1 2 3 4 6 12 8519257 17038514 25557771 34077028 51115542 102231084