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453400231 = 1642127611
BaseRepresentation
bin11011000001100…
…101011010100111
31011121011010012011
4123001211122213
51412032301411
6112553535051
714143560364
oct3301453247
91147133164
10453400231
11212a29339
12107a14487
1372c1a57b
144430546b
1529c10c21
hex1b0656a7

453400231 has 4 divisors (see below), whose sum is σ = 453444264. Its totient is φ = 453356200.

The previous prime is 453400229. The next prime is 453400261. The reversal of 453400231 is 132004354.

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 is a cyclic number.

It is not a de Polignac number, because 453400231 - 21 = 453400229 is a prime.

It is a super-2 number, since 2×4534002312 = 411143538941706722, 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 (453400261) 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, 2616 + ... + 30226.

It is an arithmetic number, because the mean of its divisors is an integer number (113361066).

Almost surely, 2453400231 is an apocalyptic number.

453400231 is a deficient number, since it is larger than the sum of its proper divisors (44033).

453400231 is a wasteful number, since it uses less digits than its factorization.

453400231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44032.

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 453400231 is about 21293.1968243380. The cubic root of 453400231 is about 768.2346870068.

Adding to 453400231 its reverse (132004354), we get a palindrome (585404585).

The spelling of 453400231 in words is "four hundred fifty-three million, four hundred thousand, two hundred thirty-one".

Divisors: 1 16421 27611 453400231