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102169080 = 233351319383
BaseRepresentation
bin1100001011011…
…11100111111000
321010020201122000
412011233213320
5202123402310
614045501000
72350265016
oct605574770
9233221560
10102169080
1152743162
122a271760
1318222ba0
14d7d78b6
158e824c0
hex616f9f8

102169080 has 256 divisors, whose sum is σ = 387072000. Its totient is φ = 23763456.

The previous prime is 102169073. The next prime is 102169091. The reversal of 102169080 is 80961201.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 266569 + ... + 266951.

It is an arithmetic number, because the mean of its divisors is an integer number (1512000).

Almost surely, 2102169080 is an apocalyptic number.

102169080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 102169080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (193536000).

102169080 is an abundant number, since it is smaller than the sum of its proper divisors (284902920).

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

102169080 is a wasteful number, since it uses less digits than its factorization.

102169080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 435 (or 425 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 27.

The square root of 102169080 is about 10107.8721796430. The cubic root of 102169080 is about 467.4908993815.

The spelling of 102169080 in words is "one hundred two million, one hundred sixty-nine thousand, eighty".