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102945518 = 2139740819
BaseRepresentation
bin1100010001011…
…01001011101110
321011201011200222
412020231023232
5202323224033
614114251342
72360010464
oct610551356
9234634628
10102945518
1153123545
122a586b52
1318435410
14d95a834
159087598
hex622d2ee

102945518 has 16 divisors (see below), whose sum is σ = 168015120. Its totient is φ = 47022336.

The previous prime is 102945511. The next prime is 102945533. The reversal of 102945518 is 815549201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102945511) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17888 + ... + 22931.

It is an arithmetic number, because the mean of its divisors is an integer number (10500945).

Almost surely, 2102945518 is an apocalyptic number.

102945518 is a deficient number, since it is larger than the sum of its proper divisors (65069602).

102945518 is a wasteful number, since it uses less digits than its factorization.

102945518 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40931.

The product of its (nonzero) digits is 14400, while the sum is 35.

The square root of 102945518 is about 10146.2070745673. The cubic root of 102945518 is about 468.6721506746.

The spelling of 102945518 in words is "one hundred two million, nine hundred forty-five thousand, five hundred eighteen".

Divisors: 1 2 13 26 97 194 1261 2522 40819 81638 530647 1061294 3959443 7918886 51472759 102945518