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80384425 = 52112371179
BaseRepresentation
bin1001100101010…
…01000110101001
312121020221200221
410302221012221
5131034300200
611550530041
71664153632
oct462510651
9177227627
1080384425
1141414010
1222b06921
1313866364
14a966889
1570cc91a
hex4ca91a9

80384425 has 48 divisors (see below), whose sum is σ = 115706880. Its totient is φ = 54824000.

The previous prime is 80384419. The next prime is 80384441. The reversal of 80384425 is 52448308.

It is not a de Polignac number, because 80384425 - 23 = 80384417 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 448986 + ... + 449164.

It is an arithmetic number, because the mean of its divisors is an integer number (2410560).

Almost surely, 280384425 is an apocalyptic number.

It is an amenable number.

80384425 is a deficient number, since it is larger than the sum of its proper divisors (35322455).

80384425 is a wasteful number, since it uses less digits than its factorization.

80384425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 294 (or 289 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 34.

The square root of 80384425 is about 8965.7361660937. The cubic root of 80384425 is about 431.5760175644.

The spelling of 80384425 in words is "eighty million, three hundred eighty-four thousand, four hundred twenty-five".

Divisors: 1 5 11 23 25 55 71 115 179 253 275 355 575 781 895 1265 1633 1775 1969 3905 4117 4475 6325 8165 9845 12709 17963 19525 20585 40825 45287 49225 63545 89815 102925 139799 226435 292307 317725 449075 698995 1132175 1461535 3215377 3494975 7307675 16076885 80384425