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68455376 = 24111013851
BaseRepresentation
bin1000001010010…
…00101111010000
311202210220010022
410011020233100
5120011033001
610443123012
71460601233
oct405105720
9152726108
1068455376
11357065a0
121ab13468
131124a752
14913d41a
15602311b
hex4148bd0

68455376 has 40 divisors (see below), whose sum is σ = 146160288. Its totient is φ = 30800000.

The previous prime is 68455369. The next prime is 68455421. The reversal of 68455376 is 67355486.

It is a super-2 number, since 2×684553762 = 9372277006602752, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15851 + ... + 19701.

Almost surely, 268455376 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 68455376, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73080144).

68455376 is an abundant number, since it is smaller than the sum of its proper divisors (77704912).

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

68455376 is a wasteful number, since it uses less digits than its factorization.

68455376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3971 (or 3965 counting only the distinct ones).

The product of its digits is 604800, while the sum is 44.

The square root of 68455376 is about 8273.7764050039. The cubic root of 68455376 is about 409.0746053450.

It can be divided in two parts, 6845 and 5376, that added together give a palindrome (12221).

The spelling of 68455376 in words is "sixty-eight million, four hundred fifty-five thousand, three hundred seventy-six".

Divisors: 1 2 4 8 11 16 22 44 88 101 176 202 404 808 1111 1616 2222 3851 4444 7702 8888 15404 17776 30808 42361 61616 84722 169444 338888 388951 677776 777902 1555804 3111608 4278461 6223216 8556922 17113844 34227688 68455376