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212274970 = 2525318387
BaseRepresentation
bin11001010011100…
…00111100011010
3112210102200111221
430221300330122
5413320244340
633021442254
75155210315
oct1451607432
9483380457
10212274970
11a9907366
125b11038a
1334c944bb
142029997c
151398144a
hexca70f1a

212274970 has 16 divisors (see below), whose sum is σ = 382291488. Its totient is φ = 84866320.

The previous prime is 212274943. The next prime is 212274977. The reversal of 212274970 is 79472212.

It is a happy number.

212274970 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (212274977) 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, 21117 + ... + 29503.

It is an arithmetic number, because the mean of its divisors is an integer number (23893218).

Almost surely, 2212274970 is an apocalyptic number.

212274970 is a deficient number, since it is larger than the sum of its proper divisors (170016518).

212274970 is a wasteful number, since it uses less digits than its factorization.

212274970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10925.

The product of its (nonzero) digits is 14112, while the sum is 34.

The square root of 212274970 is about 14569.6592273121. The cubic root of 212274970 is about 596.5308788026.

The spelling of 212274970 in words is "two hundred twelve million, two hundred seventy-four thousand, nine hundred seventy".

Divisors: 1 2 5 10 2531 5062 8387 12655 16774 25310 41935 83870 21227497 42454994 106137485 212274970