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102664770 = 23513673929
BaseRepresentation
bin1100001111010…
…00101001000010
321011011220120220
412013220221002
5202240233040
614104243510
72354431125
oct607505102
9234156526
10102664770
1152a5161a
122a470596
13183676b0
14d8c63bc
15902e2d0
hex61e8a42

102664770 has 64 divisors (see below), whose sum is σ = 269377920. Its totient is φ = 24887808.

The previous prime is 102664711. The next prime is 102664781. The reversal of 102664770 is 77466201.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 24166 + ... + 28094.

It is an arithmetic number, because the mean of its divisors is an integer number (4209030).

Almost surely, 2102664770 is an apocalyptic number.

102664770 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 102664770, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (134688960).

102664770 is an abundant number, since it is smaller than the sum of its proper divisors (166713150).

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

102664770 is a wasteful number, since it uses less digits than its factorization.

102664770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4019.

The product of its (nonzero) digits is 14112, while the sum is 33.

The square root of 102664770 is about 10132.3625083196. The cubic root of 102664770 is about 468.2457161721.

The spelling of 102664770 in words is "one hundred two million, six hundred sixty-four thousand, seven hundred seventy".

Divisors: 1 2 3 5 6 10 13 15 26 30 39 65 67 78 130 134 195 201 335 390 402 670 871 1005 1742 2010 2613 3929 4355 5226 7858 8710 11787 13065 19645 23574 26130 39290 51077 58935 102154 117870 153231 255385 263243 306462 510770 526486 766155 789729 1316215 1532310 1579458 2632430 3422159 3948645 6844318 7897290 10266477 17110795 20532954 34221590 51332385 102664770