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76560401 = 1779109523
BaseRepresentation
bin1001001000000…
…11100000010001
312100001200010102
410210003200101
5124044413101
611332542145
71616516111
oct444034021
9170050112
1076560401
113a241a65
1221781955
1312b27918
14a24d041
156ac486b
hex4903811

76560401 has 16 divisors (see below), whose sum is σ = 83001600. Its totient is φ = 70357248.

The previous prime is 76560397. The next prime is 76560403. The reversal of 76560401 is 10406567.

It is a cyclic number.

It is not a de Polignac number, because 76560401 - 22 = 76560397 is a prime.

It is a super-2 number, since 2×765604012 = 11722990002561602, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (76560403) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 146126 + ... + 146648.

It is an arithmetic number, because the mean of its divisors is an integer number (5187600).

Almost surely, 276560401 is an apocalyptic number.

It is an amenable number.

76560401 is a deficient number, since it is larger than the sum of its proper divisors (6441199).

76560401 is a wasteful number, since it uses less digits than its factorization.

76560401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 728.

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 76560401 is about 8749.8800563208. The cubic root of 76560401 is about 424.6209325897.

Adding to 76560401 its reverse (10406567), we get a palindrome (86966968).

The spelling of 76560401 in words is "seventy-six million, five hundred sixty thousand, four hundred one".

Divisors: 1 17 79 109 523 1343 1853 8611 8891 41317 57007 146387 702389 969119 4503553 76560401