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730073053 = 2244132533
BaseRepresentation
bin101011100001000…
…000011111011101
31212212202112221201
4223201000133131
52443344314203
6200235555501
724043342603
oct5341003735
91785675851
10730073053
1134511a766
121845bbb91
13b833b6b8
146cd65873
1544162e1d
hex2b8407dd

730073053 has 4 divisors (see below), whose sum is σ = 730128028. Its totient is φ = 730018080.

The previous prime is 730073027. The next prime is 730073161. The reversal of 730073053 is 350370037.

730073053 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 96393124 + 633679929 = 9818^2 + 25173^2 .

It is a cyclic number.

It is not a de Polignac number, because 730073053 - 221 = 727975901 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 (730073023) 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, 6175 + ... + 38707.

It is an arithmetic number, because the mean of its divisors is an integer number (182532007).

Almost surely, 2730073053 is an apocalyptic number.

It is an amenable number.

730073053 is a deficient number, since it is larger than the sum of its proper divisors (54975).

730073053 is a wasteful number, since it uses less digits than its factorization.

730073053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54974.

The product of its (nonzero) digits is 6615, while the sum is 28.

The square root of 730073053 is about 27019.8640448097. The cubic root of 730073053 is about 900.4413691094.

The spelling of 730073053 in words is "seven hundred thirty million, seventy-three thousand, fifty-three".

Divisors: 1 22441 32533 730073053