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1457042053 = 1831795763
BaseRepresentation
bin101011011011000…
…1011001010000101
310202112200101221111
41112312023022011
510441000321203
6400325245021
751051440005
oct12666131205
93675611844
101457042053
1168850a295
12347b63771
131a2b3127c
14db720005
1587db126d
hex56d8b285

1457042053 has 4 divisors (see below), whose sum is σ = 1457839648. Its totient is φ = 1456244460.

The previous prime is 1457042047. The next prime is 1457042077. The reversal of 1457042053 is 3502407541.

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 not a de Polignac number, because 1457042053 - 25 = 1457042021 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 (1457042023) 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, 396051 + ... + 399712.

It is an arithmetic number, because the mean of its divisors is an integer number (364459912).

Almost surely, 21457042053 is an apocalyptic number.

It is an amenable number.

1457042053 is a deficient number, since it is larger than the sum of its proper divisors (797595).

1457042053 is an equidigital number, since it uses as much as digits as its factorization.

1457042053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 797594.

The product of its (nonzero) digits is 16800, while the sum is 31.

The square root of 1457042053 is about 38171.2202189031. The cubic root of 1457042053 is about 1133.6805494286.

Adding to 1457042053 its reverse (3502407541), we get a palindrome (4959449594).

The spelling of 1457042053 in words is "one billion, four hundred fifty-seven million, forty-two thousand, fifty-three".

Divisors: 1 1831 795763 1457042053