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212044912 = 24232332473
BaseRepresentation
bin11001010001110…
…00110001110000
3112202222222221021
430220320301300
5413240414122
633012505224
75153231512
oct1450706160
9482888837
10212044912
11a976a532
125b01b214
1334c13881
1420239bb2
15139381c7
hexca38c70

212044912 has 40 divisors (see below), whose sum is σ = 430713504. Its totient is φ = 100936704.

The previous prime is 212044909. The next prime is 212044913. The reversal of 212044912 is 219440212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212044913) 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, 84508 + ... + 86980.

Almost surely, 2212044912 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 212044912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (215356752).

212044912 is an abundant number, since it is smaller than the sum of its proper divisors (218668592).

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

212044912 is a wasteful number, since it uses less digits than its factorization.

212044912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2737 (or 2731 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 212044912 is about 14561.7619812988. The cubic root of 212044912 is about 596.3152994393.

The spelling of 212044912 in words is "two hundred twelve million, forty-four thousand, nine hundred twelve".

Divisors: 1 2 4 8 16 23 46 92 184 233 368 466 932 1864 2473 3728 4946 5359 9892 10718 19784 21436 39568 42872 56879 85744 113758 227516 455032 576209 910064 1152418 2304836 4609672 9219344 13252807 26505614 53011228 106022456 212044912