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152015312 = 249500957
BaseRepresentation
bin10010000111110…
…01000111010000
3101121001011210202
421003321013100
5302403442222
623030114332
73524052221
oct1103710720
9347034722
10152015312
1178899399
1242aab9a8
13256562b7
1416291248
15d52b892
hex90f91d0

152015312 has 10 divisors (see below), whose sum is σ = 294529698. Its totient is φ = 76007648.

The previous prime is 152015299. The next prime is 152015321. The reversal of 152015312 is 213510251.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 134003776 + 18011536 = 11576^2 + 4244^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4750463 + ... + 4750494.

Almost surely, 2152015312 is an apocalyptic number.

It is an amenable number.

152015312 is a deficient number, since it is larger than the sum of its proper divisors (142514386).

152015312 is an equidigital number, since it uses as much as digits as its factorization.

152015312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9500965 (or 9500959 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 20.

The square root of 152015312 is about 12329.4489738998. The cubic root of 152015312 is about 533.6982495664.

Adding to 152015312 its reverse (213510251), we get a palindrome (365525563).

The spelling of 152015312 in words is "one hundred fifty-two million, fifteen thousand, three hundred twelve".

Divisors: 1 2 4 8 16 9500957 19001914 38003828 76007656 152015312