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15070312 = 2312131553
BaseRepresentation
bin111001011111…
…010001101000
31001100122120201
4321133101220
512324222222
61255001544
7242044525
oct71372150
931318521
1015070312
118563604
1250692b4
13317865a
14200414c
1514ca427
hexe5f468

15070312 has 16 divisors (see below), whose sum is σ = 28298340. Its totient is φ = 7524096.

The previous prime is 15070301. The next prime is 15070331. The reversal of 15070312 is 21307051.

It can be written as a sum of positive squares in 2 ways, for example, as 11329956 + 3740356 = 3366^2 + 1934^2 .

It is a super-2 number, since 2×150703122 = 454228607554688, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 15070312.

It is an unprimeable number.

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, 8928 + ... + 10480.

Almost surely, 215070312 is an apocalyptic number.

It is an amenable number.

15070312 is a deficient number, since it is larger than the sum of its proper divisors (13228028).

15070312 is a wasteful number, since it uses less digits than its factorization.

15070312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2772 (or 2768 counting only the distinct ones).

The product of its (nonzero) digits is 210, while the sum is 19.

The square root of 15070312 is about 3882.0499739184. The cubic root of 15070312 is about 247.0059497985.

Adding to 15070312 its reverse (21307051), we get a palindrome (36377363).

The spelling of 15070312 in words is "fifteen million, seventy thousand, three hundred twelve".

Divisors: 1 2 4 8 1213 1553 2426 3106 4852 6212 9704 12424 1883789 3767578 7535156 15070312