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670046390 = 251331116573
BaseRepresentation
bin100111111100000…
…001100010110110
31201200210212211222
4213330001202312
52333012441030
6150253230342
722414205006
oct4774014266
91650725758
10670046390
11314250852
121684923b2
13a8a82570
1464dbc006
153dc573e5
hex27f018b6

670046390 has 32 divisors (see below), whose sum is σ = 1303114176. Its totient is φ = 246591360.

The previous prime is 670046371. The next prime is 670046413. The reversal of 670046390 is 93640076.

670046390 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 670046390.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32144 + ... + 48716.

It is an arithmetic number, because the mean of its divisors is an integer number (40722318).

Almost surely, 2670046390 is an apocalyptic number.

670046390 is a deficient number, since it is larger than the sum of its proper divisors (633067786).

670046390 is a wasteful number, since it uses less digits than its factorization.

670046390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16904.

The product of its (nonzero) digits is 27216, while the sum is 35.

The square root of 670046390 is about 25885.2542966068. The cubic root of 670046390 is about 875.0542072540.

The spelling of 670046390 in words is "six hundred seventy million, forty-six thousand, three hundred ninety".

Divisors: 1 2 5 10 13 26 65 130 311 622 1555 3110 4043 8086 16573 20215 33146 40430 82865 165730 215449 430898 1077245 2154490 5154203 10308406 25771015 51542030 67004639 134009278 335023195 670046390