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157224104 = 23711312113
BaseRepresentation
bin10010101111100…
…00110010101000
3101221211210220222
421113300302220
5310222132404
623333505212
73616245212
oct1127606250
9357753828
10157224104
1180826884
12447a2208
132675b11b
1416c495b2
15dc09dbe
hex95f0ca8

157224104 has 32 divisors (see below), whose sum is σ = 301371840. Its totient is φ = 76876800.

The previous prime is 157224101. The next prime is 157224121. The reversal of 157224104 is 401422751.

It is a Smith number, since the sum of its digits (26) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (157224101) 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 7 ways as a sum of consecutive naturals, for example, 73352 + ... + 75464.

It is an arithmetic number, because the mean of its divisors is an integer number (9417870).

Almost surely, 2157224104 is an apocalyptic number.

It is an amenable number.

157224104 is a deficient number, since it is larger than the sum of its proper divisors (144147736).

157224104 is a wasteful number, since it uses less digits than its factorization.

157224104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2321 (or 2317 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 26.

The square root of 157224104 is about 12538.9036203330. The cubic root of 157224104 is about 539.7256310812.

Adding to 157224104 its reverse (401422751), we get a palindrome (558646855).

The spelling of 157224104 in words is "one hundred fifty-seven million, two hundred twenty-four thousand, one hundred four".

Divisors: 1 2 4 8 71 131 142 262 284 524 568 1048 2113 4226 8452 9301 16904 18602 37204 74408 150023 276803 300046 553606 600092 1107212 1200184 2214424 19653013 39306026 78612052 157224104