Search a number
-
+
1457253992 = 23182156749
BaseRepresentation
bin101011011011011…
…1110111001101000
310202120002011200002
41112312332321220
510441024111432
6400334002132
751053311625
oct12666767150
93676064602
101457253992
11688644547
12348046348
131a2ba688c
14db77734c
1587e03e62
hex56dbee68

1457253992 has 8 divisors (see below), whose sum is σ = 2732351250. Its totient is φ = 728626992.

The previous prime is 1457253979. The next prime is 1457254013. The reversal of 1457253992 is 2993527541.

It can be written as a sum of positive squares in only one way, i.e., 1088076196 + 369177796 = 32986^2 + 19214^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 91078367 + ... + 91078382.

Almost surely, 21457253992 is an apocalyptic number.

It is an amenable number.

1457253992 is a deficient number, since it is larger than the sum of its proper divisors (1275097258).

1457253992 is a wasteful number, since it uses less digits than its factorization.

1457253992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182156755 (or 182156751 counting only the distinct ones).

The product of its digits is 680400, while the sum is 47.

The square root of 1457253992 is about 38173.9962801905. The cubic root of 1457253992 is about 1133.7355145484.

The spelling of 1457253992 in words is "one billion, four hundred fifty-seven million, two hundred fifty-three thousand, nine hundred ninety-two".

Divisors: 1 2 4 8 182156749 364313498 728626996 1457253992