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68375076 = 22371173999
BaseRepresentation
bin1000001001101…
…01001000100100
311202122210222020
410010311020210
5120001000301
610441303140
71460115150
oct404651044
9152583866
1068375076
1135661230
121aa94ab0
1311220033
14911c060
156009436
hex4135224

68375076 has 48 divisors (see below), whose sum is σ = 198912000. Its totient is φ = 17759520.

The previous prime is 68375063. The next prime is 68375101. The reversal of 68375076 is 67057386.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a zygodrome in base 13.

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, 36076 + ... + 37923.

It is an arithmetic number, because the mean of its divisors is an integer number (4144000).

Almost surely, 268375076 is an apocalyptic number.

68375076 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

It is an amenable number.

68375076 is an abundant number, since it is smaller than the sum of its proper divisors (130536924).

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

68375076 is a wasteful number, since it uses less digits than its factorization.

68375076 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74024 (or 74022 counting only the distinct ones).

The product of its (nonzero) digits is 211680, while the sum is 42.

The square root of 68375076 is about 8268.9222997922. The cubic root of 68375076 is about 408.9145909179.

The spelling of 68375076 in words is "sixty-eight million, three hundred seventy-five thousand, seventy-six".

Divisors: 1 2 3 4 6 7 11 12 14 21 22 28 33 42 44 66 77 84 132 154 231 308 462 924 73999 147998 221997 295996 443994 517993 813989 887988 1035986 1553979 1627978 2071972 2441967 3107958 3255956 4883934 5697923 6215916 9767868 11395846 17093769 22791692 34187538 68375076