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102952080 = 24335711619
BaseRepresentation
bin1100010001011…
…10110010010000
321011201111201000
412020232302100
5202323431310
614114342000
72360035560
oct610566220
9234644630
10102952080
1153128470
122a58a900
13184383ba
14d95cda0
1590894c0
hex622ec90

102952080 has 320 divisors, whose sum is σ = 442828800. Its totient is φ = 21358080.

The previous prime is 102952063. The next prime is 102952081. The reversal of 102952080 is 80259201.

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

It is not an unprimeable number, because it can be changed into a prime (102952081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 166011 + ... + 166629.

It is an arithmetic number, because the mean of its divisors is an integer number (1383840).

Almost surely, 2102952080 is an apocalyptic number.

102952080 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 102952080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (221414400).

102952080 is an abundant number, since it is smaller than the sum of its proper divisors (339876720).

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

102952080 is a wasteful number, since it uses less digits than its factorization.

102952080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 659 (or 647 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

The square root of 102952080 is about 10146.5304414859. The cubic root of 102952080 is about 468.6821085674.

The spelling of 102952080 in words is "one hundred two million, nine hundred fifty-two thousand, eighty".