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80792141 = 431878887
BaseRepresentation
bin1001101000011…
…00101001001101
312122000122222112
410310030221031
5131140322031
612003353405
72000502413
oct464145115
9178018875
1080792141
1141672371
1223082865
1313979b01
14aa312b3
15715d62b
hex4d0ca4d

80792141 has 4 divisors (see below), whose sum is σ = 82671072. Its totient is φ = 78913212.

The previous prime is 80792137. The next prime is 80792167. The reversal of 80792141 is 14129708.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 80792141 - 22 = 80792137 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 80792098 and 80792107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80792191) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 939401 + ... + 939486.

It is an arithmetic number, because the mean of its divisors is an integer number (20667768).

Almost surely, 280792141 is an apocalyptic number.

It is an amenable number.

80792141 is a deficient number, since it is larger than the sum of its proper divisors (1878931).

80792141 is a wasteful number, since it uses less digits than its factorization.

80792141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1878930.

The product of its (nonzero) digits is 4032, while the sum is 32.

The square root of 80792141 is about 8988.4448599299. Note that the first 3 decimals coincide. The cubic root of 80792141 is about 432.3044496707.

The spelling of 80792141 in words is "eighty million, seven hundred ninety-two thousand, one hundred forty-one".

Divisors: 1 43 1878887 80792141