Search a number
-
+
70751442 = 2390713001
BaseRepresentation
bin1000011011110…
…01010011010010
311221010112201210
410031321103102
5121103021232
611004240550
71516243266
oct415712322
9157115653
1070751442
1136a34673
121b840156
1311872878
14957a0a6
1563285cc
hex43794d2

70751442 has 16 divisors (see below), whose sum is σ = 141669792. Its totient is φ = 23556000.

The previous prime is 70751431. The next prime is 70751479. The reversal of 70751442 is 24415707.

It is an unprimeable number.

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, 1059 + ... + 11942.

It is an arithmetic number, because the mean of its divisors is an integer number (8854362).

Almost surely, 270751442 is an apocalyptic number.

70751442 is an abundant number, since it is smaller than the sum of its proper divisors (70918350).

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

70751442 is a wasteful number, since it uses less digits than its factorization.

70751442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13913.

The product of its (nonzero) digits is 7840, while the sum is 30.

The square root of 70751442 is about 8411.3876381962. The cubic root of 70751442 is about 413.5980018099.

The spelling of 70751442 in words is "seventy million, seven hundred fifty-one thousand, four hundred forty-two".

Divisors: 1 2 3 6 907 1814 2721 5442 13001 26002 39003 78006 11791907 23583814 35375721 70751442