Search a number
-
+
70138302 = 2313899209
BaseRepresentation
bin1000010111000…
…11100110111110
311212222101122220
410023203212332
5120423411202
610543150210
71511110563
oct413434676
9155871586
1070138302
1136655a43
121b5a5366
13116b9770
14945a86a
156256abc
hex42e39be

70138302 has 16 divisors (see below), whose sum is σ = 151067280. Its totient is φ = 21580992.

The previous prime is 70138301. The next prime is 70138307. The reversal of 70138302 is 20383107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70138301) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 449527 + ... + 449682.

It is an arithmetic number, because the mean of its divisors is an integer number (9441705).

Almost surely, 270138302 is an apocalyptic number.

70138302 is an abundant number, since it is smaller than the sum of its proper divisors (80928978).

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

70138302 is a wasteful number, since it uses less digits than its factorization.

70138302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 899227.

The product of its (nonzero) digits is 1008, while the sum is 24.

The square root of 70138302 is about 8374.8613122845. The cubic root of 70138302 is about 412.3997714245.

The spelling of 70138302 in words is "seventy million, one hundred thirty-eight thousand, three hundred two".

Divisors: 1 2 3 6 13 26 39 78 899209 1798418 2697627 5395254 11689717 23379434 35069151 70138302