Search a number
-
+
70168007 = 7131940583
BaseRepresentation
bin1000010111010…
…10110111000111
311220000220102002
410023222313013
5120430334012
610543535515
71511263310
oct413526707
9156026362
1070168007
1136676298
121b5ba59b
13116ca140
149467607
1562607c2
hex42eadc7

70168007 has 16 divisors (see below), whose sum is σ = 90908160. Its totient is φ = 52594272.

The previous prime is 70168003. The next prime is 70168013. The reversal of 70168007 is 70086107.

It is a cyclic number.

It is not a de Polignac number, because 70168007 - 22 = 70168003 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70168003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18563 + ... + 22020.

It is an arithmetic number, because the mean of its divisors is an integer number (5681760).

Almost surely, 270168007 is an apocalyptic number.

70168007 is a deficient number, since it is larger than the sum of its proper divisors (20740153).

70168007 is a wasteful number, since it uses less digits than its factorization.

70168007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40622.

The product of its (nonzero) digits is 2352, while the sum is 29.

The square root of 70168007 is about 8376.6345867538. The cubic root of 70168007 is about 412.4579831094.

The spelling of 70168007 in words is "seventy million, one hundred sixty-eight thousand, seven".

Divisors: 1 7 13 19 91 133 247 1729 40583 284081 527579 771077 3693053 5397539 10024001 70168007