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212374308 = 22329610271
BaseRepresentation
bin11001010100010…
…01001100100100
3112210121201210010
430222021030210
5413331434213
633023530220
75156103036
oct1452111444
9483551703
10212374308
11a9974a63
125b159970
1334cca793
14202c3c56
15139a0ac3
hexca89324

212374308 has 24 divisors (see below), whose sum is σ = 512628480. Its totient is φ = 68350240.

The previous prime is 212374307. The next prime is 212374313. The reversal of 212374308 is 803473212.

It is not an unprimeable number, because it can be changed into a prime (212374307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 304788 + ... + 305483.

It is an arithmetic number, because the mean of its divisors is an integer number (21359520).

Almost surely, 2212374308 is an apocalyptic number.

It is an amenable number.

212374308 is an abundant number, since it is smaller than the sum of its proper divisors (300254172).

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

212374308 is a wasteful number, since it uses less digits than its factorization.

212374308 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 610307 (or 610305 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 30.

The square root of 212374308 is about 14573.0678993821. The cubic root of 212374308 is about 596.6239168453.

The spelling of 212374308 in words is "two hundred twelve million, three hundred seventy-four thousand, three hundred eight".

Divisors: 1 2 3 4 6 12 29 58 87 116 174 348 610271 1220542 1830813 2441084 3661626 7323252 17697859 35395718 53093577 70791436 106187154 212374308