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331673053 = 509651617
BaseRepresentation
bin10011110001001…
…110110111011101
3212010002201220011
4103301032313131
51134402014203
652524523221
711135113555
oct2361166735
9763081804
10331673053
11160247968
12930b0511
135393a45a
143209a165
151e1b876d
hex13c4eddd

331673053 has 4 divisors (see below), whose sum is σ = 332325180. Its totient is φ = 331020928.

The previous prime is 331673051. The next prime is 331673057. The reversal of 331673053 is 350376133.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 226261764 + 105411289 = 15042^2 + 10267^2 .

It is a cyclic number.

It is not a de Polignac number, because 331673053 - 21 = 331673051 is a prime.

It is a super-2 number, since 2×3316730532 = 220014028172681618, which contains 22 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 (331673051) 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, 325300 + ... + 326317.

It is an arithmetic number, because the mean of its divisors is an integer number (83081295).

Almost surely, 2331673053 is an apocalyptic number.

It is an amenable number.

331673053 is a deficient number, since it is larger than the sum of its proper divisors (652127).

331673053 is an equidigital number, since it uses as much as digits as its factorization.

331673053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 652126.

The product of its (nonzero) digits is 17010, while the sum is 31.

The square root of 331673053 is about 18211.8931745165. The cubic root of 331673053 is about 692.2081836849.

The spelling of 331673053 in words is "three hundred thirty-one million, six hundred seventy-three thousand, fifty-three".

Divisors: 1 509 651617 331673053