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1457393053 = 6899211247
BaseRepresentation
bin101011011011110…
…0000110110011101
310202120100020102111
41112313200312131
510441043034203
6400340554021
751054431224
oct12667406635
93676306374
101457393053
11688729a76
123480b2911
131a2c24c6c
14db7b1cbb
1587e3026d
hex56de0d9d

1457393053 has 4 divisors (see below), whose sum is σ = 1457611200. Its totient is φ = 1457174908.

The previous prime is 1457393033. The next prime is 1457393059. The reversal of 1457393053 is 3503937541.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1457393053 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1457392997 and 1457393015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1457393059) 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, 98725 + ... + 112522.

It is an arithmetic number, because the mean of its divisors is an integer number (364402800).

Almost surely, 21457393053 is an apocalyptic number.

It is an amenable number.

1457393053 is a deficient number, since it is larger than the sum of its proper divisors (218147).

1457393053 is an equidigital number, since it uses as much as digits as its factorization.

1457393053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218146.

The product of its (nonzero) digits is 170100, while the sum is 40.

The square root of 1457393053 is about 38175.8176467774. The cubic root of 1457393053 is about 1133.7715762967.

The spelling of 1457393053 in words is "one billion, four hundred fifty-seven million, three hundred ninety-three thousand, fifty-three".

Divisors: 1 6899 211247 1457393053