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133957148 = 221329211421
BaseRepresentation
bin1111111110000…
…00011000011100
3100100001201122212
413333000120130
5233243112043
621143055552
73214421423
oct777003034
9310051585
10133957148
1169684a96
1238a415b8
13219a29b0
1413b102ba
15bb61018
hex7fc061c

133957148 has 48 divisors (see below), whose sum is σ = 263024160. Its totient is φ = 59270400.

The previous prime is 133957141. The next prime is 133957151. The reversal of 133957148 is 841759331.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133957141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 317978 + ... + 318398.

It is an arithmetic number, because the mean of its divisors is an integer number (5479670).

Almost surely, 2133957148 is an apocalyptic number.

It is an amenable number.

133957148 is a deficient number, since it is larger than the sum of its proper divisors (129067012).

133957148 is a wasteful number, since it uses less digits than its factorization.

133957148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 678 (or 676 counting only the distinct ones).

The product of its digits is 90720, while the sum is 41.

The square root of 133957148 is about 11573.9858303006. The cubic root of 133957148 is about 511.6684407318.

The spelling of 133957148 in words is "one hundred thirty-three million, nine hundred fifty-seven thousand, one hundred forty-eight".

Divisors: 1 2 4 13 26 29 52 58 116 211 377 421 422 754 842 844 1508 1684 2743 5473 5486 6119 10946 10972 12209 12238 21892 24418 24476 48836 79547 88831 158717 159094 177662 317434 318188 355324 634868 1154803 2309606 2576099 4619212 5152198 10304396 33489287 66978574 133957148