Search a number
-
+
716640852 = 223297120101
BaseRepresentation
bin101010101101110…
…001001001010100
31211221111010102210
4222231301021110
52431430001402
6155040033420
723521226634
oct5255611124
91757433383
10716640852
11338585974
12180002870
13b5617855
146b26a6c4
1542dad06c
hex2ab71254

716640852 has 24 divisors (see below), whose sum is σ = 1672808032. Its totient is φ = 238788000.

The previous prime is 716640833. The next prime is 716640853. The reversal of 716640852 is 258046617.

It is a super-2 number, since 2×7166408522 = 1027148221510571808, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 716640852.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (716640853) 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, 25602 + ... + 45702.

Almost surely, 2716640852 is an apocalyptic number.

It is an amenable number.

716640852 is an abundant number, since it is smaller than the sum of its proper divisors (956167180).

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

716640852 is a wasteful number, since it uses less digits than its factorization.

716640852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23079 (or 23077 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 39.

The square root of 716640852 is about 26770.1485240557. The cubic root of 716640852 is about 894.8849147196.

The spelling of 716640852 in words is "seven hundred sixteen million, six hundred forty thousand, eight hundred fifty-two".

Divisors: 1 2 3 4 6 12 2971 5942 8913 11884 17826 20101 35652 40202 60303 80404 120606 241212 59720071 119440142 179160213 238880284 358320426 716640852