Search a number
-
+
70682528 = 257315547
BaseRepresentation
bin1000011011010…
…00011110100000
311221000001012102
410031220132200
5121043320103
611002545532
71515535340
oct415503640
9157001172
1070682528
1136997914
121b8082a8
131184a3a7
14955cd20
156312e88
hex43687a0

70682528 has 24 divisors (see below), whose sum is σ = 159036192. Its totient is φ = 30292416.

The previous prime is 70682503. The next prime is 70682537. The reversal of 70682528 is 82528607.

It is a junction number, because it is equal to n+sod(n) for n = 70682491 and 70682500.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 157550 + ... + 157997.

It is an arithmetic number, because the mean of its divisors is an integer number (6626508).

Almost surely, 270682528 is an apocalyptic number.

It is an amenable number.

70682528 is an abundant number, since it is smaller than the sum of its proper divisors (88353664).

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

70682528 is a wasteful number, since it uses less digits than its factorization.

70682528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 315564 (or 315556 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 38.

The square root of 70682528 is about 8407.2901698466. The cubic root of 70682528 is about 413.4636726190.

The spelling of 70682528 in words is "seventy million, six hundred eighty-two thousand, five hundred twenty-eight".

Divisors: 1 2 4 7 8 14 16 28 32 56 112 224 315547 631094 1262188 2208829 2524376 4417658 5048752 8835316 10097504 17670632 35341264 70682528