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80480023 = 1317536871
BaseRepresentation
bin1001100110000…
…00011100010111
312121102210211121
410303000130113
5131100330043
611552544411
71665032431
oct463003427
9177383747
1080480023
1141479918
1222b52107
131389aa20
14a98d651
1570eaded
hex4cc0717

80480023 has 16 divisors (see below), whose sum is σ = 93514176. Its totient is φ = 68590080.

The previous prime is 80480009. The next prime is 80480039. The reversal of 80480023 is 32008408.

It is not a de Polignac number, because 80480023 - 217 = 80348951 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 80480023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80480053) 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, 8278 + ... + 15148.

It is an arithmetic number, because the mean of its divisors is an integer number (5844636).

Almost surely, 280480023 is an apocalyptic number.

80480023 is a deficient number, since it is larger than the sum of its proper divisors (13034153).

80480023 is a wasteful number, since it uses less digits than its factorization.

80480023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6954.

The product of its (nonzero) digits is 1536, while the sum is 25.

The square root of 80480023 is about 8971.0658787014. The cubic root of 80480023 is about 431.7470351859.

The spelling of 80480023 in words is "eighty million, four hundred eighty thousand, twenty-three".

Divisors: 1 13 17 53 221 689 901 6871 11713 89323 116807 364163 1518491 4734119 6190771 80480023