Search a number
-
+
70169634 = 23228113873
BaseRepresentation
bin1000010111010…
…11010000100010
311220000222122100
410023223100202
5120430412014
610543551230
71511301123
oct413532042
9156028570
1070169634
1136677537
121b5bb516
13116caac2
14946804a
156261009
hex42eb422

70169634 has 24 divisors (see below), whose sum is σ = 152586252. Its totient is φ = 23304960.

The previous prime is 70169633. The next prime is 70169639. The reversal of 70169634 is 43696107.

70169634 is a `hidden beast` number, since 7 + 0 + 16 + 9 + 634 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 69806025 + 363609 = 8355^2 + 603^2 .

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (70169633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1879 + ... + 11994.

Almost surely, 270169634 is an apocalyptic number.

70169634 is an abundant number, since it is smaller than the sum of its proper divisors (82416618).

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

70169634 is a wasteful number, since it uses less digits than its factorization.

70169634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14162 (or 14159 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 36.

The square root of 70169634 is about 8376.7317015648. The cubic root of 70169634 is about 412.4611710008.

The spelling of 70169634 in words is "seventy million, one hundred sixty-nine thousand, six hundred thirty-four".

Divisors: 1 2 3 6 9 18 281 562 843 1686 2529 5058 13873 27746 41619 83238 124857 249714 3898313 7796626 11694939 23389878 35084817 70169634