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133233725 = 5210749807
BaseRepresentation
bin1111111000011…
…11110000111101
3100021200222022102
413330033300331
5233101434400
621115354445
73205316342
oct774176075
9307628272
10133233725
1169230519
1238752a25
13217ab631
14139a27c9
15ba6b9d5
hex7f0fc3d

133233725 has 12 divisors (see below), whose sum is σ = 166757184. Its totient is φ = 105588720.

The previous prime is 133233697. The next prime is 133233761. The reversal of 133233725 is 527332331.

It is not a de Polignac number, because 133233725 - 28 = 133233469 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22229 + ... + 27578.

It is an arithmetic number, because the mean of its divisors is an integer number (13896432).

Almost surely, 2133233725 is an apocalyptic number.

It is an amenable number.

133233725 is a deficient number, since it is larger than the sum of its proper divisors (33523459).

133233725 is a wasteful number, since it uses less digits than its factorization.

133233725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49924 (or 49919 counting only the distinct ones).

The product of its digits is 11340, while the sum is 29.

The square root of 133233725 is about 11542.6914105853. The cubic root of 133233725 is about 510.7457052270.

The spelling of 133233725 in words is "one hundred thirty-three million, two hundred thirty-three thousand, seven hundred twenty-five".

Divisors: 1 5 25 107 535 2675 49807 249035 1245175 5329349 26646745 133233725