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152520349 is a prime number
BaseRepresentation
bin10010001011101…
…00011010011101
3101121222211120211
421011310122131
5303021122344
623045012421
73531254512
oct1105643235
9347884524
10152520349
1179103883
12430b4111
13257a2137
1416383309
15d5cb334
hex917469d

152520349 has 2 divisors, whose sum is σ = 152520350. Its totient is φ = 152520348.

The previous prime is 152520331. The next prime is 152520359. The reversal of 152520349 is 943025251.

152520349 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 93122500 + 59397849 = 9650^2 + 7707^2 .

It is a cyclic number.

It is not a de Polignac number, because 152520349 - 25 = 152520317 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 152520349.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (152520359) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76260174 + 76260175.

It is an arithmetic number, because the mean of its divisors is an integer number (76260175).

Almost surely, 2152520349 is an apocalyptic number.

It is an amenable number.

152520349 is a deficient number, since it is larger than the sum of its proper divisors (1).

152520349 is an equidigital number, since it uses as much as digits as its factorization.

152520349 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10800, while the sum is 31.

The square root of 152520349 is about 12349.9129146727. The cubic root of 152520349 is about 534.2886274181.

The spelling of 152520349 in words is "one hundred fifty-two million, five hundred twenty thousand, three hundred forty-nine".