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34970813 is a prime number
BaseRepresentation
bin1000010101100…
…1110010111101
32102210200221022
42011121302331
532423031223
63245313525
7603150503
oct205316275
972720838
1034970813
11188160a9
12b8658a5
1373256b7
144904673
15310bac8
hex2159cbd

34970813 has 2 divisors, whose sum is σ = 34970814. Its totient is φ = 34970812.

The previous prime is 34970801. The next prime is 34970857. The reversal of 34970813 is 31807943.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 31058329 + 3912484 = 5573^2 + 1978^2 .

It is an emirp because it is prime and its reverse (31807943) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 34970813 - 210 = 34969789 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (34970213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17485406 + 17485407.

It is an arithmetic number, because the mean of its divisors is an integer number (17485407).

Almost surely, 234970813 is an apocalyptic number.

It is an amenable number.

34970813 is a deficient number, since it is larger than the sum of its proper divisors (1).

34970813 is an equidigital number, since it uses as much as digits as its factorization.

34970813 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 34970813 is about 5913.6125168969. The cubic root of 34970813 is about 327.0156794347.

The spelling of 34970813 in words is "thirty-four million, nine hundred seventy thousand, eight hundred thirteen".