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60688056 = 233111317683
BaseRepresentation
bin1110011110000…
…0011010111000
311020012021100210
43213200122320
5111014004211
610004431120
71334561052
oct347403270
9136167323
1060688056
1131290920
12183a84a0
13c75b1c0
1480ba8d2
1554db9a6
hex39e06b8

60688056 has 64 divisors (see below), whose sum is σ = 178254720. Its totient is φ = 16974720.

The previous prime is 60688027. The next prime is 60688057. The reversal of 60688056 is 65088606.

60688056 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (60688057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5410 + ... + 12273.

It is an arithmetic number, because the mean of its divisors is an integer number (2785230).

Almost surely, 260688056 is an apocalyptic number.

60688056 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

It is an amenable number.

60688056 is an abundant number, since it is smaller than the sum of its proper divisors (117566664).

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

60688056 is a wasteful number, since it uses less digits than its factorization.

60688056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17716 (or 17712 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 39.

The square root of 60688056 is about 7790.2539111379. The cubic root of 60688056 is about 392.9775511784.

The spelling of 60688056 in words is "sixty million, six hundred eighty-eight thousand, fifty-six".

Divisors: 1 2 3 4 6 8 11 12 13 22 24 26 33 39 44 52 66 78 88 104 132 143 156 264 286 312 429 572 858 1144 1716 3432 17683 35366 53049 70732 106098 141464 194513 212196 229879 389026 424392 459758 583539 689637 778052 919516 1167078 1379274 1556104 1839032 2334156 2528669 2758548 4668312 5057338 5517096 7586007 10114676 15172014 20229352 30344028 60688056