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157003933 = 317171333
BaseRepresentation
bin10010101101110…
…11000010011101
3101221102121220111
421112323002131
5310143111213
623325050021
73614340262
oct1126730235
9357377814
10157003933
1180696419
12446b6911
13266b1b48
1416bcd269
15dbb4a3d
hex95bb09d

157003933 has 8 divisors (see below), whose sum is σ = 164353536. Its totient is φ = 149797200.

The previous prime is 157003907. The next prime is 157003937. The reversal of 157003933 is 339300751.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 157003933 - 221 = 154906781 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 157003895 and 157003904.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157003937) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33466 + ... + 37867.

It is an arithmetic number, because the mean of its divisors is an integer number (20544192).

Almost surely, 2157003933 is an apocalyptic number.

It is an amenable number.

157003933 is a deficient number, since it is larger than the sum of its proper divisors (7349603).

157003933 is an equidigital number, since it uses as much as digits as its factorization.

157003933 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71435.

The product of its (nonzero) digits is 8505, while the sum is 31.

The square root of 157003933 is about 12530.1210289446. The cubic root of 157003933 is about 539.4735759119.

The spelling of 157003933 in words is "one hundred fifty-seven million, three thousand, nine hundred thirty-three".

Divisors: 1 31 71 2201 71333 2211323 5064643 157003933