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3112918 = 229191281
BaseRepresentation
bin1011110111111111010110
312212011010021
423313333112
51244103133
6150415354
735313364
oct13677726
95764107
103112918
111836866
12106155a
1384cb83
145b0634
1541752d
hex2f7fd6

3112918 has 16 divisors (see below), whose sum is σ = 4872960. Its totient is φ = 1489600.

The previous prime is 3112913. The next prime is 3112919. The reversal of 3112918 is 8192113.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 3112892 and 3112901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3112913) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10938 + ... + 11218.

It is an arithmetic number, because the mean of its divisors is an integer number (304560).

Almost surely, 23112918 is an apocalyptic number.

3112918 is a deficient number, since it is larger than the sum of its proper divisors (1760042).

3112918 is a wasteful number, since it uses less digits than its factorization.

3112918 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 503.

The product of its digits is 432, while the sum is 25.

The square root of 3112918 is about 1764.3463378827. The cubic root of 3112918 is about 146.0122276617.

The spelling of 3112918 in words is "three million, one hundred twelve thousand, nine hundred eighteen".

Divisors: 1 2 29 58 191 281 382 562 5539 8149 11078 16298 53671 107342 1556459 3112918