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157189835 = 51110128297
BaseRepresentation
bin10010101111010…
…00011011001011
3101221210001220202
421113220123023
5310220033320
623333042415
73616043255
oct1127503313
9357701822
10157189835
1180803060
124478640b
132674864a
1416c3acd5
15dbeeb75
hex95e86cb

157189835 has 16 divisors (see below), whose sum is σ = 207820512. Its totient is φ = 113184000.

The previous prime is 157189817. The next prime is 157189849. The reversal of 157189835 is 538981751.

It is a happy number.

It is not a de Polignac number, because 157189835 - 214 = 157173451 is a prime.

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 157189835.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8594 + ... + 19703.

It is an arithmetic number, because the mean of its divisors is an integer number (12988782).

Almost surely, 2157189835 is an apocalyptic number.

157189835 is a deficient number, since it is larger than the sum of its proper divisors (50630677).

157189835 is a wasteful number, since it uses less digits than its factorization.

157189835 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28414.

The product of its digits is 302400, while the sum is 47.

The square root of 157189835 is about 12537.5370388286. The cubic root of 157189835 is about 539.6864148687.

The spelling of 157189835 in words is "one hundred fifty-seven million, one hundred eighty-nine thousand, eight hundred thirty-five".

Divisors: 1 5 11 55 101 505 1111 5555 28297 141485 311267 1556335 2857997 14289985 31437967 157189835