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1456497427 = 71161310091
BaseRepresentation
bin101011011010000…
…0110001100010011
310202111122201212011
41112310012030103
510440330404202
6400305443351
751044011120
oct12664061423
93674581764
101456497427
11688178090
12347940557
131a29a03c8
14db61b747
1587d04bd7
hex56d06313

1456497427 has 16 divisors (see below), whose sum is σ = 1845667584. Its totient is φ = 1116324000.

The previous prime is 1456497409. The next prime is 1456497437. The reversal of 1456497427 is 7247946541.

It is a happy number.

It is not a de Polignac number, because 1456497427 - 219 = 1455973139 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1456497437) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 150349 + ... + 159742.

It is an arithmetic number, because the mean of its divisors is an integer number (115354224).

Almost surely, 21456497427 is an apocalyptic number.

1456497427 is a deficient number, since it is larger than the sum of its proper divisors (389170157).

1456497427 is a wasteful number, since it uses less digits than its factorization.

1456497427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 310170.

The product of its digits is 1693440, while the sum is 49.

The square root of 1456497427 is about 38164.0855648344. The cubic root of 1456497427 is about 1133.5392794615.

The spelling of 1456497427 in words is "one billion, four hundred fifty-six million, four hundred ninety-seven thousand, four hundred twenty-seven".

Divisors: 1 7 11 61 77 427 671 4697 310091 2170637 3411001 18915551 23877007 132408857 208071061 1456497427