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312106004 = 22729384367
BaseRepresentation
bin10010100110100…
…101110000010100
3210202021121221122
4102212211300110
51114344343004
650545303112
710506600020
oct2246456024
9722247848
10312106004
111501a2951
1288634a98
134c879112
142d645380
151c600cbe
hex129a5c14

312106004 has 24 divisors (see below), whose sum is σ = 645738240. Its totient is φ = 129146976.

The previous prime is 312105973. The next prime is 312106057. The reversal of 312106004 is 400601213.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 191372 + ... + 192995.

It is an arithmetic number, because the mean of its divisors is an integer number (26905760).

Almost surely, 2312106004 is an apocalyptic number.

It is an amenable number.

312106004 is an abundant number, since it is smaller than the sum of its proper divisors (333632236).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

312106004 is a wasteful number, since it uses less digits than its factorization.

312106004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 384407 (or 384405 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 312106004 is about 17666.5221251949. The cubic root of 312106004 is about 678.3190922937.

Adding to 312106004 its reverse (400601213), we get a palindrome (712707217).

The spelling of 312106004 in words is "three hundred twelve million, one hundred six thousand, four".

Divisors: 1 2 4 7 14 28 29 58 116 203 406 812 384367 768734 1537468 2690569 5381138 10762276 11146643 22293286 44586572 78026501 156053002 312106004