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670842402 = 23149750383
BaseRepresentation
bin100111111111000…
…011111000100010
31201202022022202220
4213333003320202
52333213424102
6150322251510
722424031516
oct4777037042
91652268686
10670842402
1131474490a
121687b6b96
13a8ca0989
1465148146
153dd631bc
hex27fc3e22

670842402 has 16 divisors (see below), whose sum is σ = 1350691200. Its totient is φ = 222113072.

The previous prime is 670842379. The next prime is 670842407. The reversal of 670842402 is 204248076.

It is a super-2 number, since 2×6708424022 = 900059056642259208, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (670842407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 374298 + ... + 376085.

It is an arithmetic number, because the mean of its divisors is an integer number (84418200).

Almost surely, 2670842402 is an apocalyptic number.

670842402 is an abundant number, since it is smaller than the sum of its proper divisors (679848798).

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

670842402 is a wasteful number, since it uses less digits than its factorization.

670842402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 750537.

The product of its (nonzero) digits is 21504, while the sum is 33.

The square root of 670842402 is about 25900.6255136821. The cubic root of 670842402 is about 875.4005902347.

The spelling of 670842402 in words is "six hundred seventy million, eight hundred forty-two thousand, four hundred two".

Divisors: 1 2 3 6 149 298 447 894 750383 1500766 2251149 4502298 111807067 223614134 335421201 670842402