Search a number
-
+
56530600 = 23527149271
BaseRepresentation
bin1101011110100…
…1011010101000
310221101001101221
43113221122220
5103432434400
65335351424
71254334150
oct327513250
9127331357
1056530600
1129a01305
1216b22574
13b933a79
147717760
154e69c1a
hex35e96a8

56530600 has 96 divisors (see below), whose sum is σ = 151776000. Its totient is φ = 19180800.

The previous prime is 56530511. The next prime is 56530603. The reversal of 56530600 is 603565.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (56530603) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 208465 + ... + 208735.

It is an arithmetic number, because the mean of its divisors is an integer number (1581000).

Almost surely, 256530600 is an apocalyptic number.

56530600 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56530600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75888000).

56530600 is an abundant number, since it is smaller than the sum of its proper divisors (95245400).

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

56530600 is a wasteful number, since it uses less digits than its factorization.

56530600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 443 (or 434 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 25.

The square root of 56530600 is about 7518.6833953825. The cubic root of 56530600 is about 383.7907750567.

The spelling of 56530600 in words is "fifty-six million, five hundred thirty thousand, six hundred".

Divisors: 1 2 4 5 7 8 10 14 20 25 28 35 40 50 56 70 100 140 149 175 200 271 280 298 350 542 596 700 745 1043 1084 1192 1355 1400 1490 1897 2086 2168 2710 2980 3725 3794 4172 5215 5420 5960 6775 7450 7588 8344 9485 10430 10840 13550 14900 15176 18970 20860 26075 27100 29800 37940 40379 41720 47425 52150 54200 75880 80758 94850 104300 161516 189700 201895 208600 282653 323032 379400 403790 565306 807580 1009475 1130612 1413265 1615160 2018950 2261224 2826530 4037900 5653060 7066325 8075800 11306120 14132650 28265300 56530600