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311412044 = 2277853011
BaseRepresentation
bin10010100011111…
…100010101001100
3210200222101000102
4102203330111030
51114210141134
650522350232
710500646556
oct2243742514
9720871012
10311412044
1114a869529
128835b378
134c6952a8
142d5044d6
151c51537e
hex128fc54c

311412044 has 6 divisors (see below), whose sum is σ = 544971084. Its totient is φ = 155706020.

The previous prime is 311412007. The next prime is 311412053. The reversal of 311412044 is 440214113.

It is a super-2 number, since 2×3114120442 = 193954922296515872, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38926502 + ... + 38926509.

It is an arithmetic number, because the mean of its divisors is an integer number (90828514).

Almost surely, 2311412044 is an apocalyptic number.

It is an amenable number.

311412044 is a deficient number, since it is larger than the sum of its proper divisors (233559040).

311412044 is a wasteful number, since it uses less digits than its factorization.

311412044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77853015 (or 77853013 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 311412044 is about 17646.8706574282. The cubic root of 311412044 is about 677.8159772990.

Adding to 311412044 its reverse (440214113), we get a palindrome (751626157).

The spelling of 311412044 in words is "three hundred eleven million, four hundred twelve thousand, forty-four".

Divisors: 1 2 4 77853011 155706022 311412044