Search a number
-
+
730072133 = 7671556657
BaseRepresentation
bin101011100001000…
…000010001000101
31212212202111200122
4223201000101011
52443344302013
6200235551325
724043340120
oct5341002105
91785674618
10730072133
11345119aaa
121845bb545
13b833b15b
146cd653b7
1544162a08
hex2b840445

730072133 has 8 divisors (see below), whose sum is σ = 846821952. Its totient is φ = 616435776.

The previous prime is 730072111. The next prime is 730072159. The reversal of 730072133 is 331270037.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 730072133 - 28 = 730071877 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (730072163) 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, 777860 + ... + 778797.

It is an arithmetic number, because the mean of its divisors is an integer number (105852744).

Almost surely, 2730072133 is an apocalyptic number.

It is an amenable number.

730072133 is a deficient number, since it is larger than the sum of its proper divisors (116749819).

730072133 is a wasteful number, since it uses less digits than its factorization.

730072133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1556731.

The product of its (nonzero) digits is 2646, while the sum is 26.

The square root of 730072133 is about 27019.8470202923. The cubic root of 730072133 is about 900.4409908795.

The spelling of 730072133 in words is "seven hundred thirty million, seventy-two thousand, one hundred thirty-three".

Divisors: 1 7 67 469 1556657 10896599 104296019 730072133