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80796025 = 526152981
BaseRepresentation
bin1001101000011…
…01100101111001
312122000212022101
410310031211321
5131140433100
612003423401
72000516632
oct464154571
9178025271
1080796025
1141675282
1223084b61
131397b7cb
14aa32889
15715e86a
hex4d0d979

80796025 has 12 divisors (see below), whose sum is σ = 101831404. Its totient is φ = 63576000.

The previous prime is 80796007. The next prime is 80796071. The reversal of 80796025 is 52069708.

It can be written as a sum of positive squares in 6 ways, for example, as 657721 + 80138304 = 811^2 + 8952^2 .

It is not a de Polignac number, because 80796025 - 25 = 80795993 is a prime.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24966 + ... + 28015.

Almost surely, 280796025 is an apocalyptic number.

It is an amenable number.

80796025 is a deficient number, since it is larger than the sum of its proper divisors (21035379).

80796025 is a wasteful number, since it uses less digits than its factorization.

80796025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53052 (or 53047 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 37.

The square root of 80796025 is about 8988.6609125053. The cubic root of 80796025 is about 432.3113770920.

The spelling of 80796025 in words is "eighty million, seven hundred ninety-six thousand, twenty-five".

Divisors: 1 5 25 61 305 1525 52981 264905 1324525 3231841 16159205 80796025