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157733401 = 724996451
BaseRepresentation
bin10010110011011…
…01001000011001
3101222210200112211
421121231020121
5310334432101
623352435121
73623466100
oct1131551031
9358720484
10157733401
1181044491
12449a8aa1
13268a8b97
1416d3d037
15dcaac51
hex966d219

157733401 has 12 divisors (see below), whose sum is σ = 183882000. Its totient is φ = 134908200.

The previous prime is 157733399. The next prime is 157733413. The reversal of 157733401 is 104337751.

It is not a de Polignac number, because 157733401 - 21 = 157733399 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (157733441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21226 + ... + 27676.

It is an arithmetic number, because the mean of its divisors is an integer number (15323500).

Almost surely, 2157733401 is an apocalyptic number.

It is an amenable number.

157733401 is a deficient number, since it is larger than the sum of its proper divisors (26148599).

157733401 is an equidigital number, since it uses as much as digits as its factorization.

157733401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6964 (or 6957 counting only the distinct ones).

The product of its (nonzero) digits is 8820, while the sum is 31.

The square root of 157733401 is about 12559.1958739403. The cubic root of 157733401 is about 540.3077817888.

The spelling of 157733401 in words is "one hundred fifty-seven million, seven hundred thirty-three thousand, four hundred one".

Divisors: 1 7 49 499 3493 6451 24451 45157 316099 3219049 22533343 157733401