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102444988 = 2273794441
BaseRepresentation
bin1100001101100…
…10111110111100
321010202202002211
412012302332330
5202211214423
614055430204
72352524302
oct606627674
9233682084
10102444988
1152911488
122a385364
13182bb649
14d86a272
158ed910d
hex61b2fbc

102444988 has 24 divisors (see below), whose sum is σ = 184076480. Its totient is φ = 49870080.

The previous prime is 102444973. The next prime is 102444997. The reversal of 102444988 is 889444201.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 102444988.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20848 + ... + 25288.

Almost surely, 2102444988 is an apocalyptic number.

It is an amenable number.

102444988 is a deficient number, since it is larger than the sum of its proper divisors (81631492).

102444988 is a wasteful number, since it uses less digits than its factorization.

102444988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4597 (or 4595 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 40.

The square root of 102444988 is about 10121.5111519970. The cubic root of 102444988 is about 467.9113414737.

The spelling of 102444988 in words is "one hundred two million, four hundred forty-four thousand, nine hundred eighty-eight".

Divisors: 1 2 4 73 79 146 158 292 316 4441 5767 8882 11534 17764 23068 324193 350839 648386 701678 1296772 1403356 25611247 51222494 102444988