Search a number
-
+
80093015 = 5232932377
BaseRepresentation
bin1001100011000…
…01111101010111
312120201010221222
410301201331113
5131000434030
611540400555
71661531222
oct461417527
9176633858
1080093015
1141235082
12229a615b
1313793822
14a8cc5b9
1570713e5
hex4c61f57

80093015 has 16 divisors (see below), whose sum is σ = 100675008. Its totient is φ = 61053696.

The previous prime is 80093011. The next prime is 80093021. The reversal of 80093015 is 51039008.

It is a cyclic number.

It is not a de Polignac number, because 80093015 - 22 = 80093011 is a prime.

It is a super-3 number, since 3×800930153 (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80093011) 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, 32507 + ... + 34883.

It is an arithmetic number, because the mean of its divisors is an integer number (6292188).

Almost surely, 280093015 is an apocalyptic number.

80093015 is a deficient number, since it is larger than the sum of its proper divisors (20581993).

80093015 is a wasteful number, since it uses less digits than its factorization.

80093015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2698.

The product of its (nonzero) digits is 1080, while the sum is 26.

The square root of 80093015 is about 8949.4700960448. The cubic root of 80093015 is about 431.0538689458.

The spelling of 80093015 in words is "eighty million, ninety-three thousand, fifteen".

Divisors: 1 5 23 115 293 1465 2377 6739 11885 33695 54671 273355 696461 3482305 16018603 80093015