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311364436 = 22107727487
BaseRepresentation
bin10010100011110…
…000101101010100
3210200212221201011
4102203300231110
51114202130221
650521342004
710500361015
oct2243605524
9720787634
10311364436
1114a836789
1288337904
134c679716
142d4d100c
151c5061e1
hex128f0b54

311364436 has 12 divisors (see below), whose sum is σ = 549980928. Its totient is φ = 154227032.

The previous prime is 311364433. The next prime is 311364439. The reversal of 311364436 is 634463113.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (311364433) and next prime (311364439).

It is a junction number, because it is equal to n+sod(n) for n = 311364398 and 311364407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (311364433) by changing a digit.

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, 363316 + ... + 364171.

It is an arithmetic number, because the mean of its divisors is an integer number (45831744).

Almost surely, 2311364436 is an apocalyptic number.

It is an amenable number.

311364436 is a deficient number, since it is larger than the sum of its proper divisors (238616492).

311364436 is a wasteful number, since it uses less digits than its factorization.

311364436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 727598 (or 727596 counting only the distinct ones).

The product of its digits is 15552, while the sum is 31.

The square root of 311364436 is about 17645.5216981533. The cubic root of 311364436 is about 677.7814345249.

The spelling of 311364436 in words is "three hundred eleven million, three hundred sixty-four thousand, four hundred thirty-six".

Divisors: 1 2 4 107 214 428 727487 1454974 2909948 77841109 155682218 311364436