Search a number
-
+
56156070 = 2354739827
BaseRepresentation
bin1101011000110…
…1111110100110
310220200000122110
43112031332212
5103333443240
65323341450
71251214215
oct326157646
9126600573
1056156070
1129775983
1216981886
13b832459
14765b07c
154de3c80
hex358dfa6

56156070 has 32 divisors (see below), whose sum is σ = 137645568. Its totient is φ = 14655968.

The previous prime is 56156069. The next prime is 56156081. The reversal of 56156070 is 7065165.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18504 + ... + 21323.

It is an arithmetic number, because the mean of its divisors is an integer number (4301424).

Almost surely, 256156070 is an apocalyptic number.

56156070 is an abundant number, since it is smaller than the sum of its proper divisors (81489498).

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

56156070 is a wasteful number, since it uses less digits than its factorization.

56156070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39884.

The product of its (nonzero) digits is 6300, while the sum is 30.

The square root of 56156070 is about 7493.7353836388. The cubic root of 56156070 is about 382.9413249448.

The spelling of 56156070 in words is "fifty-six million, one hundred fifty-six thousand, seventy".

Divisors: 1 2 3 5 6 10 15 30 47 94 141 235 282 470 705 1410 39827 79654 119481 199135 238962 398270 597405 1194810 1871869 3743738 5615607 9359345 11231214 18718690 28078035 56156070