Search a number
-
+
102871664 = 247918497
BaseRepresentation
bin1100010000110…
…11001001110000
321011120102101122
412020123021300
5202313343124
614112521412
72356252250
oct610331160
9234512348
10102871664
1153083005
122a550268
131840a90c
14d93b960
15907075e
hex621b270

102871664 has 20 divisors (see below), whose sum is σ = 227787504. Its totient is φ = 44087808.

The previous prime is 102871649. The next prime is 102871669. The reversal of 102871664 is 466178201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102871669) 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 3 ways as a sum of consecutive naturals, for example, 459137 + ... + 459360.

Almost surely, 2102871664 is an apocalyptic number.

102871664 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

102871664 is an abundant number, since it is smaller than the sum of its proper divisors (124915840).

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

102871664 is an equidigital number, since it uses as much as digits as its factorization.

102871664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 918512 (or 918506 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 35.

The square root of 102871664 is about 10142.5669334740. The cubic root of 102871664 is about 468.5600473851.

The spelling of 102871664 in words is "one hundred two million, eight hundred seventy-one thousand, six hundred sixty-four".

Divisors: 1 2 4 7 8 14 16 28 56 112 918497 1836994 3673988 6429479 7347976 12858958 14695952 25717916 51435832 102871664