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34281690 = 2351767219
BaseRepresentation
bin1000001011000…
…1100011011010
32101111200122020
42002301203122
532234003230
63222435310
7564250422
oct202614332
971450566
1034281690
1118395383
12b592b36
137143b31
1447a5482
153022810
hex20b18da

34281690 has 32 divisors (see below), whose sum is σ = 87117120. Its totient is φ = 8603904.

The previous prime is 34281649. The next prime is 34281697. The reversal of 34281690 is 9618243.

It is a super-2 number, since 2×342816902 = 2350468538512200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (34281697) 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 15 ways as a sum of consecutive naturals, for example, 33100 + ... + 34119.

It is an arithmetic number, because the mean of its divisors is an integer number (2722410).

Almost surely, 234281690 is an apocalyptic number.

34281690 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

34281690 is an abundant number, since it is smaller than the sum of its proper divisors (52835430).

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

34281690 is a wasteful number, since it uses less digits than its factorization.

34281690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67246.

The product of its (nonzero) digits is 10368, while the sum is 33.

The square root of 34281690 is about 5855.0567887938. The cubic root of 34281690 is about 324.8533934422.

The spelling of 34281690 in words is "thirty-four million, two hundred eighty-one thousand, six hundred ninety".

Divisors: 1 2 3 5 6 10 15 17 30 34 51 85 102 170 255 510 67219 134438 201657 336095 403314 672190 1008285 1142723 2016570 2285446 3428169 5713615 6856338 11427230 17140845 34281690