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133460572 = 22753139647
BaseRepresentation
bin1111111010001…
…11001001011100
3100022010111111011
413331013021130
5233131214242
621124305004
73210252610
oct775071134
9308114434
10133460572
11693759a3
1238842164
132185a96b
1413a21340
15bab3d17
hex7f4725c

133460572 has 48 divisors (see below), whose sum is σ = 274337280. Its totient is φ = 55628352.

The previous prime is 133460567. The next prime is 133460629. The reversal of 133460572 is 275064331.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 205953 + ... + 206599.

It is an arithmetic number, because the mean of its divisors is an integer number (5715360).

Almost surely, 2133460572 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 133460572, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (137168640).

133460572 is an abundant number, since it is smaller than the sum of its proper divisors (140876708).

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

133460572 is a wasteful number, since it uses less digits than its factorization.

133460572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 850 (or 848 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 31.

The square root of 133460572 is about 11552.5136658651. The cubic root of 133460572 is about 511.0354102475.

The spelling of 133460572 in words is "one hundred thirty-three million, four hundred sixty thousand, five hundred seventy-two".

Divisors: 1 2 4 7 14 28 53 106 139 212 278 371 556 647 742 973 1294 1484 1946 2588 3892 4529 7367 9058 14734 18116 29468 34291 51569 68582 89933 103138 137164 179866 206276 240037 359732 480074 629531 960148 1259062 2518124 4766449 9532898 19065796 33365143 66730286 133460572