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80130552 = 2333338773
BaseRepresentation
bin1001100011010…
…11000111111000
312120210001110020
410301223013320
5131003134202
611541250440
71662045525
oct461530770
9176701406
1080130552
11412602a7
1222a03a20
13137a7938
14a8dc14c
15707c5bc
hex4c6b1f8

80130552 has 16 divisors (see below), whose sum is σ = 200326440. Its totient is φ = 26710176.

The previous prime is 80130497. The next prime is 80130623. The reversal of 80130552 is 25503108.

It is a Harshad number since it is a multiple of its sum of digits (24), and also a Moran number because the ratio is a prime number: 3338773 = 80130552 / (8 + 0 + 1 + 3 + 0 + 5 + 5 + 2).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1669363 + ... + 1669410.

Almost surely, 280130552 is an apocalyptic number.

It is an amenable number.

80130552 is an abundant number, since it is smaller than the sum of its proper divisors (120195888).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

80130552 is a wasteful number, since it uses less digits than its factorization.

80130552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3338782 (or 3338778 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 80130552 is about 8951.5670136574. The cubic root of 80130552 is about 431.1211987539.

The spelling of 80130552 in words is "eighty million, one hundred thirty thousand, five hundred fifty-two".

Divisors: 1 2 3 4 6 8 12 24 3338773 6677546 10016319 13355092 20032638 26710184 40065276 80130552