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315030212 = 22724337379
BaseRepresentation
bin10010110001101…
…111101011000100
3210221210012012122
4102301233223010
51121121431322
651132105112
710543466300
oct2261575304
9727705178
10315030212
1115190a952
1289605198
1350361113
142dba6d00
151c9cc442
hex12c6fac4

315030212 has 36 divisors (see below), whose sum is σ = 656243280. Its totient is φ = 131869584.

The previous prime is 315030193. The next prime is 315030257. The reversal of 315030212 is 212030513.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10262 + ... + 27117.

It is an arithmetic number, because the mean of its divisors is an integer number (18228980).

Almost surely, 2315030212 is an apocalyptic number.

It is an amenable number.

315030212 is an abundant number, since it is smaller than the sum of its proper divisors (341213068).

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

315030212 is a wasteful number, since it uses less digits than its factorization.

315030212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37440 (or 37431 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 315030212 is about 17749.0904555698. The cubic root of 315030212 is about 680.4309638344.

Adding to 315030212 its reverse (212030513), we get a palindrome (527060725).

The spelling of 315030212 in words is "three hundred fifteen million, thirty thousand, two hundred twelve".

Divisors: 1 2 4 7 14 28 43 49 86 98 172 196 301 602 1204 2107 4214 8428 37379 74758 149516 261653 523306 1046612 1607297 1831571 3214594 3663142 6429188 7326284 11251079 22502158 45004316 78757553 157515106 315030212