Search a number
-
+
80765104 = 247721117
BaseRepresentation
bin1001101000001…
…10000010110000
312121222021220011
410310012002300
5131133440404
612003024304
72000330530
oct464060260
9177867804
1080765104
1141654022
122306b094
131396a704
14aa254c0
157155604
hex4d060b0

80765104 has 20 divisors (see below), whose sum is σ = 178837264. Its totient is φ = 34613568.

The previous prime is 80765101. The next prime is 80765119. The reversal of 80765104 is 40156708.

It is not an unprimeable number, because it can be changed into a prime (80765101) 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, 360447 + ... + 360670.

Almost surely, 280765104 is an apocalyptic number.

It is an amenable number.

80765104 is an abundant number, since it is smaller than the sum of its proper divisors (98072160).

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

80765104 is a wasteful number, since it uses less digits than its factorization.

80765104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 721132 (or 721126 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 31.

The square root of 80765104 is about 8986.9407475514. The cubic root of 80765104 is about 432.2562208896.

The spelling of 80765104 in words is "eighty million, seven hundred sixty-five thousand, one hundred four".

Divisors: 1 2 4 7 8 14 16 28 56 112 721117 1442234 2884468 5047819 5768936 10095638 11537872 20191276 40382552 80765104