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212745364 = 22134091257
BaseRepresentation
bin11001010111000…
…11110010010100
3112211022120202221
430223203302110
5413430322424
633035512124
75162206606
oct1453436224
9484276687
10212745364
11aa0a8817
125b2b8644
13350ca640
142037d176
1513a259e4
hexcae3c94

212745364 has 12 divisors (see below), whose sum is σ = 400943284. Its totient is φ = 98190144.

The previous prime is 212745311. The next prime is 212745389. The reversal of 212745364 is 463547212.

212745364 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 41344900 + 171400464 = 6430^2 + 13092^2 .

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2045577 + ... + 2045680.

Almost surely, 2212745364 is an apocalyptic number.

It is an amenable number.

212745364 is a deficient number, since it is larger than the sum of its proper divisors (188197920).

212745364 is a wasteful number, since it uses less digits than its factorization.

212745364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4091274 (or 4091272 counting only the distinct ones).

The product of its digits is 40320, while the sum is 34.

The square root of 212745364 is about 14585.7932249158. The cubic root of 212745364 is about 596.9711843349.

The spelling of 212745364 in words is "two hundred twelve million, seven hundred forty-five thousand, three hundred sixty-four".

Divisors: 1 2 4 13 26 52 4091257 8182514 16365028 53186341 106372682 212745364