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312869048 = 23193795431
BaseRepresentation
bin10010101001100…
…000000010111000
3210210201101122112
4102221200002320
51120043302143
651013511452
710516225442
oct2251400270
9723641575
10312869048
11150674168
1288942588
134ca8551b
142d7a3492
151c701e18
hex12a600b8

312869048 has 32 divisors (see below), whose sum is σ = 619248000. Its totient is φ = 147782880.

The previous prime is 312869047. The next prime is 312869059. The reversal of 312869048 is 840968213.

It is a junction number, because it is equal to n+sod(n) for n = 312868996 and 312869014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312869047) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54893 + ... + 60323.

It is an arithmetic number, because the mean of its divisors is an integer number (19351500).

Almost surely, 2312869048 is an apocalyptic number.

312869048 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

It is an amenable number.

312869048 is a deficient number, since it is larger than the sum of its proper divisors (306378952).

312869048 is a wasteful number, since it uses less digits than its factorization.

312869048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5835 (or 5831 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 41.

The square root of 312869048 is about 17688.1047034441. The cubic root of 312869048 is about 678.8714324983.

The spelling of 312869048 in words is "three hundred twelve million, eight hundred sixty-nine thousand, forty-eight".

Divisors: 1 2 4 8 19 38 76 152 379 758 1516 3032 5431 7201 10862 14402 21724 28804 43448 57608 103189 206378 412756 825512 2058349 4116698 8233396 16466792 39108631 78217262 156434524 312869048