Search a number
-
+
73000491 = 3211111527
BaseRepresentation
bin1000101100111…
…10011000101011
312002100210211220
410112132120223
5122142003431
611124353123
71544331264
oct426363053
9162323756
1073000491
1138230393
12205457a3
131217c475
1499a396b
15661eb96
hex459e62b

73000491 has 8 divisors (see below), whose sum is σ = 97388544. Its totient is φ = 48639720.

The previous prime is 73000481. The next prime is 73000547. The reversal of 73000491 is 19400037.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 73000491 - 26 = 73000427 is a prime.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (73000471) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 570 + ... + 12096.

It is an arithmetic number, because the mean of its divisors is an integer number (12173568).

Almost surely, 273000491 is an apocalyptic number.

73000491 is a deficient number, since it is larger than the sum of its proper divisors (24388053).

73000491 is a wasteful number, since it uses less digits than its factorization.

73000491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13641.

The product of its (nonzero) digits is 756, while the sum is 24.

The square root of 73000491 is about 8544.0324788709. The cubic root of 73000491 is about 417.9348566477.

The spelling of 73000491 in words is "seventy-three million, four hundred ninety-one", and thus it is an aban number.

Divisors: 1 3 2111 6333 11527 34581 24333497 73000491