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68555052 = 22332832243
BaseRepresentation
bin1000001011000…
…01000100101100
311202222221212000
410011201010230
5120022230202
610445212300
71461464646
oct405410454
9152887760
1068555052
1135774475
121ab61090
1311283c27
149167896
15604291c
hex416112c

68555052 has 48 divisors (see below), whose sum is σ = 178442880. Its totient is φ = 22760784.

The previous prime is 68554987. The next prime is 68555083. The reversal of 68555052 is 25055586.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 68554998 and 68555016.

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, 29443 + ... + 31685.

It is an arithmetic number, because the mean of its divisors is an integer number (3717560).

Almost surely, 268555052 is an apocalyptic number.

It is an amenable number.

68555052 is an abundant number, since it is smaller than the sum of its proper divisors (109887828).

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

68555052 is a wasteful number, since it uses less digits than its factorization.

68555052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2539 (or 2531 counting only the distinct ones).

The product of its (nonzero) digits is 60000, while the sum is 36.

The square root of 68555052 is about 8279.7978236186. The cubic root of 68555052 is about 409.2730565031.

The spelling of 68555052 in words is "sixty-eight million, five hundred fifty-five thousand, fifty-two".

Divisors: 1 2 3 4 6 9 12 18 27 36 54 108 283 566 849 1132 1698 2243 2547 3396 4486 5094 6729 7641 8972 10188 13458 15282 20187 26916 30564 40374 60561 80748 121122 242244 634769 1269538 1904307 2539076 3808614 5712921 7617228 11425842 17138763 22851684 34277526 68555052