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134485520 = 24513129313
BaseRepresentation
bin10000000010000…
…01011000010000
3100101001120110012
420001001120100
5233412014040
621202254052
73222052031
oct1001013020
9311046405
10134485520
1169a05a64
1239057328
1321b29340
1413c0aa88
15bc17865
hex8041610

134485520 has 40 divisors (see below), whose sum is σ = 336733656. Its totient is φ = 49655808.

The previous prime is 134485511. The next prime is 134485543. The reversal of 134485520 is 25584431.

It can be written as a sum of positive squares in 4 ways, for example, as 6071296 + 128414224 = 2464^2 + 11332^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63617 + ... + 65696.

Almost surely, 2134485520 is an apocalyptic number.

134485520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

134485520 is an abundant number, since it is smaller than the sum of its proper divisors (202248136).

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

134485520 is a wasteful number, since it uses less digits than its factorization.

134485520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129339 (or 129333 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 32.

The square root of 134485520 is about 11596.7892108118. The cubic root of 134485520 is about 512.3402889215.

The spelling of 134485520 in words is "one hundred thirty-four million, four hundred eighty-five thousand, five hundred twenty".

Divisors: 1 2 4 5 8 10 13 16 20 26 40 52 65 80 104 130 208 260 520 1040 129313 258626 517252 646565 1034504 1293130 1681069 2069008 2586260 3362138 5172520 6724276 8405345 10345040 13448552 16810690 26897104 33621380 67242760 134485520