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1456111428 = 223121342619
BaseRepresentation
bin101011011001010…
…0111111101000100
310202110221010100220
41112302213331010
510440231031203
6400253304340
751040512552
oct12662477504
93673833326
101456111428
11687a34082
123477950b0
131a28967c5
14db55abd2
1587c7a653
hex56ca7f44

1456111428 has 12 divisors (see below), whose sum is σ = 3397593360. Its totient is φ = 485370472.

The previous prime is 1456111427. The next prime is 1456111429. The reversal of 1456111428 is 8241116541.

It is an interprime number because it is at equal distance from previous prime (1456111427) and next prime (1456111429).

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (1456111427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60671298 + ... + 60671321.

It is an arithmetic number, because the mean of its divisors is an integer number (283132780).

Almost surely, 21456111428 is an apocalyptic number.

It is an amenable number.

1456111428 is an abundant number, since it is smaller than the sum of its proper divisors (1941481932).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1456111428 is a wasteful number, since it uses less digits than its factorization.

1456111428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121342626 (or 121342624 counting only the distinct ones).

The product of its digits is 7680, while the sum is 33.

The square root of 1456111428 is about 38159.0281322782. The cubic root of 1456111428 is about 1133.4391342596.

Adding to 1456111428 its reverse (8241116541), we get a palindrome (9697227969).

The spelling of 1456111428 in words is "one billion, four hundred fifty-six million, one hundred eleven thousand, four hundred twenty-eight".

Divisors: 1 2 3 4 6 12 121342619 242685238 364027857 485370476 728055714 1456111428