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34990212 = 2236314621
BaseRepresentation
bin1000010101111…
…0100010000100
32102211200112210
42011132202010
532424141322
63245543420
7603261165
oct205364204
972750483
1034990212
1118829734
12b874b70
13733148a
14490b76c
15311270c
hex215e884

34990212 has 24 divisors (see below), whose sum is σ = 81790912. Its totient is φ = 11642400.

The previous prime is 34990171. The next prime is 34990217. The reversal of 34990212 is 21209943.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 34990212.

It is not an unprimeable number, because it can be changed into a prime (34990217) 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, 5262 + ... + 9882.

Almost surely, 234990212 is an apocalyptic number.

It is an amenable number.

34990212 is an abundant number, since it is smaller than the sum of its proper divisors (46800700).

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

34990212 is a wasteful number, since it uses less digits than its factorization.

34990212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5259 (or 5257 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 30.

The square root of 34990212 is about 5915.2524882713. The cubic root of 34990212 is about 327.0761356073.

The spelling of 34990212 in words is "thirty-four million, nine hundred ninety thousand, two hundred twelve".

Divisors: 1 2 3 4 6 12 631 1262 1893 2524 3786 4621 7572 9242 13863 18484 27726 55452 2915851 5831702 8747553 11663404 17495106 34990212