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102665148 = 22341712939
BaseRepresentation
bin1100001111010…
…00101110111100
321011011221002220
412013220232330
5202240241043
614104245340
72354432205
oct607505674
9234157086
10102665148
1152a51933
122a470850
1318367911
14d8c65ac
15902e483
hex61e8bbc

102665148 has 48 divisors (see below), whose sum is σ = 248935680. Its totient is φ = 32905600.

The previous prime is 102665141. The next prime is 102665177. The reversal of 102665148 is 841566201.

102665148 is digitally balanced in base 9, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1026651482 = 21080265227723808, which contains 22 as substring.

102665148 is strictly pandigital in base 9.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102665141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33463 + ... + 36401.

It is an arithmetic number, because the mean of its divisors is an integer number (5186160).

Almost surely, 2102665148 is an apocalyptic number.

It is an amenable number.

102665148 is an abundant number, since it is smaller than the sum of its proper divisors (146270532).

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

102665148 is a wasteful number, since it uses less digits than its factorization.

102665148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3058 (or 3056 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 33.

The square root of 102665148 is about 10132.3811614052. The cubic root of 102665148 is about 468.2462908472.

The spelling of 102665148 in words is "one hundred two million, six hundred sixty-five thousand, one hundred forty-eight".

Divisors: 1 2 3 4 6 12 41 71 82 123 142 164 213 246 284 426 492 852 2911 2939 5822 5878 8733 8817 11644 11756 17466 17634 34932 35268 120499 208669 240998 361497 417338 481996 626007 722994 834676 1252014 1445988 2504028 8555429 17110858 25666287 34221716 51332574 102665148