Search a number
-
+
71386692 = 22313457607
BaseRepresentation
bin1000100000101…
…00011001000100
311222022211010120
410100110121010
5121233333232
611030021540
71524530316
oct420243104
9158284116
1071386692
1137328973
121baa78b0
1311a35a60
1496a37b6
15640192c
hex4414644

71386692 has 24 divisors (see below), whose sum is σ = 179382336. Its totient is φ = 21965088.

The previous prime is 71386681. The next prime is 71386703. The reversal of 71386692 is 29668317.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (71386681) and next prime (71386703).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 228648 + ... + 228959.

It is an arithmetic number, because the mean of its divisors is an integer number (7474264).

Almost surely, 271386692 is an apocalyptic number.

It is an amenable number.

71386692 is an abundant number, since it is smaller than the sum of its proper divisors (107995644).

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

71386692 is a wasteful number, since it uses less digits than its factorization.

71386692 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 457627 (or 457625 counting only the distinct ones).

The product of its digits is 108864, while the sum is 42.

The square root of 71386692 is about 8449.0645636070. The cubic root of 71386692 is about 414.8321612876.

The spelling of 71386692 in words is "seventy-one million, three hundred eighty-six thousand, six hundred ninety-two".

Divisors: 1 2 3 4 6 12 13 26 39 52 78 156 457607 915214 1372821 1830428 2745642 5491284 5948891 11897782 17846673 23795564 35693346 71386692