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1520957134 = 28914957347
BaseRepresentation
bin101101010100111…
…1111011011001110
310220222221121221201
41122221333123032
511103331112014
6410531220114
752455631234
oct13251773316
93828847851
101520957134
117105a4674
1236544763a
131b314c248
14105dda954
158d7d8e74
hex5aa7f6ce

1520957134 has 16 divisors (see below), whose sum is σ = 2322594000. Its totient is φ = 746874304.

The previous prime is 1520957131. The next prime is 1520957153. The reversal of 1520957134 is 4317590251.

It is a junction number, because it is equal to n+sod(n) for n = 1520957093 and 1520957102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1520957131) 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, 2152 + ... + 55195.

It is an arithmetic number, because the mean of its divisors is an integer number (145162125).

Almost surely, 21520957134 is an apocalyptic number.

1520957134 is a deficient number, since it is larger than the sum of its proper divisors (801636866).

1520957134 is a wasteful number, since it uses less digits than its factorization.

1520957134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57587.

The product of its (nonzero) digits is 37800, while the sum is 37.

The square root of 1520957134 is about 38999.4504320253. The cubic root of 1520957134 is about 1150.0207013287.

The spelling of 1520957134 in words is "one billion, five hundred twenty million, nine hundred fifty-seven thousand, one hundred thirty-four".

Divisors: 1 2 89 149 178 298 13261 26522 57347 114694 5103883 8544703 10207766 17089406 760478567 1520957134