Search a number
-
+
80589042 = 23215728517
BaseRepresentation
bin1001100110110…
…11000011110010
312121122100101100
410303123003302
5131112322132
611555145230
71665665322
oct463330362
9177570340
1080589042
1141543816
1222ba5216
1313908531
14a9bb282
15711d37c
hex4cdb0f2

80589042 has 24 divisors (see below), whose sum is σ = 175727916. Its totient is φ = 26690976.

The previous prime is 80589031. The next prime is 80589043. The reversal of 80589042 is 24098508.

It can be written as a sum of positive squares in 2 ways, for example, as 79762761 + 826281 = 8931^2 + 909^2 .

It is a junction number, because it is equal to n+sod(n) for n = 80588988 and 80589006.

It is not an unprimeable number, because it can be changed into a prime (80589043) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11433 + ... + 17084.

Almost surely, 280589042 is an apocalyptic number.

80589042 is an abundant number, since it is smaller than the sum of its proper divisors (95138874).

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

80589042 is a wasteful number, since it uses less digits than its factorization.

80589042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28682 (or 28679 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 36.

The square root of 80589042 is about 8977.1399677180. The cubic root of 80589042 is about 431.9418967638.

The spelling of 80589042 in words is "eighty million, five hundred eighty-nine thousand, forty-two".

Divisors: 1 2 3 6 9 18 157 314 471 942 1413 2826 28517 57034 85551 171102 256653 513306 4477169 8954338 13431507 26863014 40294521 80589042