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133044325 = 527372901
BaseRepresentation
bin1111110111000…
…01100001100101
3100021100100111121
413323201201211
5233024404300
621111333541
73203600221
oct773414145
9307310447
10133044325
1169111197
12386812b1
132174336b
1413953781
15ba3081a
hex7ee1865

133044325 has 12 divisors (see below), whose sum is σ = 167237188. Its totient is φ = 104976000.

The previous prime is 133044319. The next prime is 133044337. The reversal of 133044325 is 523440331.

It can be written as a sum of positive squares in 6 ways, for example, as 10233601 + 122810724 = 3199^2 + 11082^2 .

It is a de Polignac number, because none of the positive numbers 2k-133044325 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 133044325.

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, 34626 + ... + 38275.

Almost surely, 2133044325 is an apocalyptic number.

It is an amenable number.

133044325 is a deficient number, since it is larger than the sum of its proper divisors (34192863).

133044325 is an equidigital number, since it uses as much as digits as its factorization.

133044325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72984 (or 72979 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 25.

The square root of 133044325 is about 11534.4841670532. The cubic root of 133044325 is about 510.5035715600.

Adding to 133044325 its reverse (523440331), we get a palindrome (656484656).

The spelling of 133044325 in words is "one hundred thirty-three million, forty-four thousand, three hundred twenty-five".

Divisors: 1 5 25 73 365 1825 72901 364505 1822525 5321773 26608865 133044325