Search a number
-
+
670560442 = 23113182561
BaseRepresentation
bin100111111101111…
…111000010111010
31201201202222222221
4213331333002322
52333130413232
6150312234254
722421445466
oct4775770272
91651688887
10670560442
11314571a92
1216869b98a
13a8c02536
14650b34a6
153dd09897
hex27f7f0ba

670560442 has 16 divisors (see below), whose sum is σ = 1046225664. Its totient is φ = 321984000.

The previous prime is 670560439. The next prime is 670560463. The reversal of 670560442 is 244065076.

It is a junction number, because it is equal to n+sod(n) for n = 670560398 and 670560407.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33159 + ... + 49402.

It is an arithmetic number, because the mean of its divisors is an integer number (65389104).

Almost surely, 2670560442 is an apocalyptic number.

670560442 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

670560442 is a deficient number, since it is larger than the sum of its proper divisors (375665222).

670560442 is a wasteful number, since it uses less digits than its factorization.

670560442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82725.

The product of its (nonzero) digits is 40320, while the sum is 34.

The square root of 670560442 is about 25895.1818298308. The cubic root of 670560442 is about 875.2779272769.

The spelling of 670560442 in words is "six hundred seventy million, five hundred sixty thousand, four hundred forty-two".

Divisors: 1 2 31 62 131 262 4061 8122 82561 165122 2559391 5118782 10815491 21630982 335280221 670560442