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7949012 = 2210611873
BaseRepresentation
bin11110010100101011010100
3112221211222212
4132110223110
54013332022
6442212552
7124364651
oct36245324
915854885
107949012
11453a235
1227b4158
131854176
1410acc28
15a703e2
hex794ad4

7949012 has 12 divisors (see below), whose sum is σ = 13931316. Its totient is φ = 3968640.

The previous prime is 7949009. The next prime is 7949017. The reversal of 7949012 is 2109497.

It can be written as a sum of positive squares in 2 ways, for example, as 2208196 + 5740816 = 1486^2 + 2396^2 .

It is a super-2 number, since 2×79490122 = 126373583552288, which contains 22 as substring.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 7949012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7949017) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3308 + ... + 5180.

It is an arithmetic number, because the mean of its divisors is an integer number (1160943).

Almost surely, 27949012 is an apocalyptic number.

It is an amenable number.

7949012 is a deficient number, since it is larger than the sum of its proper divisors (5982304).

7949012 is a wasteful number, since it uses less digits than its factorization.

7949012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2938 (or 2936 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 32.

The square root of 7949012 is about 2819.3992267857. The cubic root of 7949012 is about 199.5741940900.

The spelling of 7949012 in words is "seven million, nine hundred forty-nine thousand, twelve".

Divisors: 1 2 4 1061 1873 2122 3746 4244 7492 1987253 3974506 7949012