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152227157 = 457333101
BaseRepresentation
bin10010001001011…
…00110101010101
3101121102221101212
421010230311111
5302432232112
623034431205
73525623645
oct1104546525
9347387355
10152227157
1178a23575
1242b92505
13256cb854
1416308525
15d56e522
hex912cd55

152227157 has 4 divisors (see below), whose sum is σ = 152560716. Its totient is φ = 151893600.

The previous prime is 152227151. The next prime is 152227171. The reversal of 152227157 is 751722251.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 86843761 + 65383396 = 9319^2 + 8086^2 .

It is a cyclic number.

It is not a de Polignac number, because 152227157 - 26 = 152227093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (152227151) 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 3 ways as a sum of consecutive naturals, for example, 166094 + ... + 167007.

It is an arithmetic number, because the mean of its divisors is an integer number (38140179).

Almost surely, 2152227157 is an apocalyptic number.

It is an amenable number.

152227157 is a deficient number, since it is larger than the sum of its proper divisors (333559).

152227157 is an equidigital number, since it uses as much as digits as its factorization.

152227157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 333558.

The product of its digits is 9800, while the sum is 32.

The square root of 152227157 is about 12338.0369994582. The cubic root of 152227157 is about 533.9460509774.

The spelling of 152227157 in words is "one hundred fifty-two million, two hundred twenty-seven thousand, one hundred fifty-seven".

Divisors: 1 457 333101 152227157