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133454680 = 23510731181
BaseRepresentation
bin1111111010001…
…01101101011000
3100022010012101221
413331011231120
5233131022210
621124221424
73210226462
oct775055530
9308105357
10133454680
1169371527
123883a874
1321858088
1413a1d132
15bab21da
hex7f45b58

133454680 has 32 divisors (see below), whose sum is σ = 303089040. Its totient is φ = 52881280.

The previous prime is 133454677. The next prime is 133454693. The reversal of 133454680 is 86454331.

It is a happy number.

It is a super-2 number, since 2×1334546802 = 35620303227804800, which contains 22 as substring.

It is a congruent number.

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, 11311 + ... + 19870.

Almost surely, 2133454680 is an apocalyptic number.

133454680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

133454680 is an abundant number, since it is smaller than the sum of its proper divisors (169634360).

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

133454680 is a wasteful number, since it uses less digits than its factorization.

133454680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31299 (or 31295 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 34.

The square root of 133454680 is about 11552.2586536140. The cubic root of 133454680 is about 511.0278897619.

The spelling of 133454680 in words is "one hundred thirty-three million, four hundred fifty-four thousand, six hundred eighty".

Divisors: 1 2 4 5 8 10 20 40 107 214 428 535 856 1070 2140 4280 31181 62362 124724 155905 249448 311810 623620 1247240 3336367 6672734 13345468 16681835 26690936 33363670 66727340 133454680