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313020152 = 2339127519
BaseRepresentation
bin10010101010000…
…100111011111000
3210211000001220222
4102222010323320
51120113121102
651021035212
710520425124
oct2252047370
9724001828
10313020152
11150767745
12889b5b08
134cb09233
142d802584
151c731aa2
hex12a84ef8

313020152 has 8 divisors (see below), whose sum is σ = 586912800. Its totient is φ = 156510072.

The previous prime is 313020151. The next prime is 313020161. The reversal of 313020152 is 251020313.

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 313020152.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313020151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19563752 + ... + 19563767.

It is an arithmetic number, because the mean of its divisors is an integer number (73364100).

Almost surely, 2313020152 is an apocalyptic number.

It is an amenable number.

313020152 is a deficient number, since it is larger than the sum of its proper divisors (273892648).

313020152 is a wasteful number, since it uses less digits than its factorization.

313020152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39127525 (or 39127521 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 313020152 is about 17692.3755329803. The cubic root of 313020152 is about 678.9807047107.

Adding to 313020152 its reverse (251020313), we get a palindrome (564040465).

The spelling of 313020152 in words is "three hundred thirteen million, twenty thousand, one hundred fifty-two".

Divisors: 1 2 4 8 39127519 78255038 156510076 313020152