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311063426 = 21491043837
BaseRepresentation
bin10010100010100…
…111001110000010
3210200022122210122
4102202213032002
51114113012201
650511100242
710464665312
oct2242471602
9720278718
10311063426
1114a650613
1288211682
134c5a26cb
142d453442
151c496e1b
hex128a7382

311063426 has 8 divisors (see below), whose sum is σ = 469727100. Its totient is φ = 154487728.

The previous prime is 311063387. The next prime is 311063429. The reversal of 311063426 is 624360113.

It can be written as a sum of positive squares in 2 ways, for example, as 307827025 + 3236401 = 17545^2 + 1799^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 311063395 and 311063404.

It is not an unprimeable number, because it can be changed into a prime (311063429) 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, 521621 + ... + 522216.

Almost surely, 2311063426 is an apocalyptic number.

311063426 is a deficient number, since it is larger than the sum of its proper divisors (158663674).

311063426 is a wasteful number, since it uses less digits than its factorization.

311063426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1043988.

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 311063426 is about 17636.9902761214. The cubic root of 311063426 is about 677.5629501744.

The spelling of 311063426 in words is "three hundred eleven million, sixty-three thousand, four hundred twenty-six".

Divisors: 1 2 149 298 1043837 2087674 155531713 311063426