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61010568 = 2332899521
BaseRepresentation
bin1110100010111…
…1001010001000
311020210122202200
43220233022020
5111104314233
610015400200
71340403243
oct350571210
9136718680
1061010568
1131491163
1218523060
13c841c38
14816225a
155552313
hex3a2f288

61010568 has 48 divisors (see below), whose sum is σ = 167111100. Its totient is φ = 20106240.

The previous prime is 61010549. The next prime is 61010597. The reversal of 61010568 is 86501016.

It can be written as a sum of positive squares in 2 ways, for example, as 58706244 + 2304324 = 7662^2 + 1518^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1648 + ... + 11168.

Almost surely, 261010568 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 61010568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83555550).

61010568 is an abundant number, since it is smaller than the sum of its proper divisors (106100532).

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

61010568 is a wasteful number, since it uses less digits than its factorization.

61010568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9622 (or 9615 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

The square root of 61010568 is about 7810.9261934805. The cubic root of 61010568 is about 393.6724497310.

The spelling of 61010568 in words is "sixty-one million, ten thousand, five hundred sixty-eight".

Divisors: 1 2 3 4 6 8 9 12 18 24 36 72 89 178 267 356 534 712 801 1068 1602 2136 3204 6408 9521 19042 28563 38084 57126 76168 85689 114252 171378 228504 342756 685512 847369 1694738 2542107 3389476 5084214 6778952 7626321 10168428 15252642 20336856 30505284 61010568