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76901201 = 135915477
BaseRepresentation
bin1001001010101…
…10101101010001
312100200222121122
410211112231101
5124141314301
611344132025
71622435516
oct445265521
9170628548
1076901201
113a455013
1221907015
1312c16a90
14a2db30d
156b4081b
hex4956b51

76901201 has 4 divisors (see below), whose sum is σ = 82816692. Its totient is φ = 70985712.

The previous prime is 76901191. The next prime is 76901219. The reversal of 76901201 is 10210967.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 10210967 = 13785459.

It can be written as a sum of positive squares in 2 ways, for example, as 23961025 + 52940176 = 4895^2 + 7276^2 .

It is a cyclic number.

It is not a de Polignac number, because 76901201 - 26 = 76901137 is a prime.

It is a super-3 number, since 3×769012013 (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (76901261) 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 3 ways as a sum of consecutive naturals, for example, 2957726 + ... + 2957751.

It is an arithmetic number, because the mean of its divisors is an integer number (20704173).

Almost surely, 276901201 is an apocalyptic number.

It is an amenable number.

76901201 is a deficient number, since it is larger than the sum of its proper divisors (5915491).

76901201 is a wasteful number, since it uses less digits than its factorization.

76901201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5915490.

The product of its (nonzero) digits is 756, while the sum is 26.

The square root of 76901201 is about 8769.3329848969. The cubic root of 76901201 is about 425.2500507765.

The spelling of 76901201 in words is "seventy-six million, nine hundred one thousand, two hundred one".

Divisors: 1 13 5915477 76901201