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102943156 = 2229887441
BaseRepresentation
bin1100010001011…
…00100110110100
321011201001110111
412020230212310
5202323140111
614114232404
72360000551
oct610544664
9234631414
10102943156
1153121798
122a585704
1318434314
14d959a28
159086a21
hex622c9b4

102943156 has 12 divisors (see below), whose sum is σ = 186362820. Its totient is φ = 49696640.

The previous prime is 102943153. The next prime is 102943163. The reversal of 102943156 is 651349201.

It can be written as a sum of positive squares in 2 ways, for example, as 63680400 + 39262756 = 7980^2 + 6266^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102943153) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 443605 + ... + 443836.

It is an arithmetic number, because the mean of its divisors is an integer number (15530235).

Almost surely, 2102943156 is an apocalyptic number.

It is an amenable number.

102943156 is a deficient number, since it is larger than the sum of its proper divisors (83419664).

102943156 is a wasteful number, since it uses less digits than its factorization.

102943156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 887474 (or 887472 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 102943156 is about 10146.0906757233. The cubic root of 102943156 is about 468.6685662152.

The spelling of 102943156 in words is "one hundred two million, nine hundred forty-three thousand, one hundred fifty-six".

Divisors: 1 2 4 29 58 116 887441 1774882 3549764 25735789 51471578 102943156