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674286490 = 2575238963
BaseRepresentation
bin101000001100001…
…100101110011010
31201222210022011201
4220030030232122
52340104131430
6150524144414
722465224553
oct5014145632
91658708151
10674286490
11316687469
1216999810a
13a99084b7
14657a332a
153e2e38ca
hex2830cb9a

674286490 has 16 divisors (see below), whose sum is σ = 1214012448. Its totient is φ = 269648656.

The previous prime is 674286461. The next prime is 674286491. The reversal of 674286490 is 94682476.

It is a happy number.

It is a super-3 number, since 3×6742864903 (a number of 27 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 674286490.

It is not an unprimeable number, because it can be changed into a prime (674286491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70749 + ... + 79711.

It is an arithmetic number, because the mean of its divisors is an integer number (75875778).

Almost surely, 2674286490 is an apocalyptic number.

674286490 is a deficient number, since it is larger than the sum of its proper divisors (539725958).

674286490 is a wasteful number, since it uses less digits than its factorization.

674286490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16493.

The product of its (nonzero) digits is 580608, while the sum is 46.

The square root of 674286490 is about 25967.0269765331. The cubic root of 674286490 is about 876.8961286575.

The spelling of 674286490 in words is "six hundred seventy-four million, two hundred eighty-six thousand, four hundred ninety".

Divisors: 1 2 5 10 7523 8963 15046 17926 37615 44815 75230 89630 67428649 134857298 337143245 674286490