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102663770 = 25112932183
BaseRepresentation
bin1100001111010…
…00011001011010
321011011212012212
412013220121122
5202240220040
614104235122
72354425166
oct607503132
9234155185
10102663770
1152a508a0
122a46baa2
13183670c1
14d8c5ca6
15902dd65
hex61e865a

102663770 has 32 divisors (see below), whose sum is σ = 208552320. Its totient is φ = 36043840.

The previous prime is 102663763. The next prime is 102663787. The reversal of 102663770 is 77366201.

It is a super-2 number, since 2×1026637702 = 21079699341225800, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12902 + ... + 19281.

It is an arithmetic number, because the mean of its divisors is an integer number (6517260).

Almost surely, 2102663770 is an apocalyptic number.

102663770 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102663770 is an abundant number, since it is smaller than the sum of its proper divisors (105888550).

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

102663770 is a wasteful number, since it uses less digits than its factorization.

102663770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32230.

The product of its (nonzero) digits is 10584, while the sum is 32.

The square root of 102663770 is about 10132.3131613665. The cubic root of 102663770 is about 468.2441958608.

The spelling of 102663770 in words is "one hundred two million, six hundred sixty-three thousand, seven hundred seventy".

Divisors: 1 2 5 10 11 22 29 55 58 110 145 290 319 638 1595 3190 32183 64366 160915 321830 354013 708026 933307 1770065 1866614 3540130 4666535 9333070 10266377 20532754 51331885 102663770