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34645490 = 25111797191
BaseRepresentation
bin1000010000101…
…0010111110010
32102012011200022
42010022113302
532332123430
63234323442
7600324155
oct204122762
972164608
1034645490
1118613740
12b729582
1372405b9
14485bc9c
1530954e5
hex210a5f2

34645490 has 64 divisors (see below), whose sum is σ = 73156608. Its totient is φ = 11673600.

The previous prime is 34645489. The next prime is 34645537. The reversal of 34645490 is 9454643.

It is a self number, because there is not a number n which added to its sum of digits gives 34645490.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 181295 + ... + 181485.

It is an arithmetic number, because the mean of its divisors is an integer number (1143072).

Almost surely, 234645490 is an apocalyptic number.

34645490 is an abundant number, since it is smaller than the sum of its proper divisors (38511118).

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

34645490 is a wasteful number, since it uses less digits than its factorization.

34645490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 323.

The product of its (nonzero) digits is 51840, while the sum is 35.

The square root of 34645490 is about 5886.0419638327. The cubic root of 34645490 is about 325.9984756600.

The spelling of 34645490 in words is "thirty-four million, six hundred forty-five thousand, four hundred ninety".

Divisors: 1 2 5 10 11 17 22 34 55 85 97 110 170 187 191 194 374 382 485 935 955 970 1067 1649 1870 1910 2101 2134 3247 3298 4202 5335 6494 8245 10505 10670 16235 16490 18139 18527 21010 32470 35717 36278 37054 71434 90695 92635 178585 181390 185270 203797 314959 357170 407594 629918 1018985 1574795 2037970 3149590 3464549 6929098 17322745 34645490