Search a number
-
+
670042026 = 232231618459
BaseRepresentation
bin100111111100000…
…000011110101010
31201200210122212100
4213330000132222
52333012321101
6150253154230
722414156203
oct4774003652
91650718770
10670042026
11314248545
1216848b976
13a8a80594
1464dba5aa
153dc55e86
hex27f007aa

670042026 has 24 divisors (see below), whose sum is σ = 1514878560. Its totient is φ = 213636456.

The previous prime is 670042019. The next prime is 670042027. The reversal of 670042026 is 620240076.

670042026 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (670042027) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 808816 + ... + 809643.

It is an arithmetic number, because the mean of its divisors is an integer number (63119940).

Almost surely, 2670042026 is an apocalyptic number.

670042026 is an abundant number, since it is smaller than the sum of its proper divisors (844836534).

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

670042026 is a wasteful number, since it uses less digits than its factorization.

670042026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1618490 (or 1618487 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 27.

The square root of 670042026 is about 25885.1700013734. The cubic root of 670042026 is about 875.0523075124.

The spelling of 670042026 in words is "six hundred seventy million, forty-two thousand, twenty-six".

Divisors: 1 2 3 6 9 18 23 46 69 138 207 414 1618459 3236918 4855377 9710754 14566131 29132262 37224557 74449114 111673671 223347342 335021013 670042026