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1451430460 = 225157462239
BaseRepresentation
bin101011010000011…
…0001001000111100
310202011010022021201
41112200301020330
510433031233320
6400005105244
750652645454
oct12640611074
93664108251
101451430460
11685327207
123460b8224
131a1917cbc
14daa9cd64
158765370a
hex5683123c

1451430460 has 24 divisors (see below), whose sum is σ = 3067424640. Its totient is φ = 576873024.

The previous prime is 1451430451. The next prime is 1451430467. The reversal of 1451430460 is 640341541.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1451430467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 227980 + ... + 234259.

It is an arithmetic number, because the mean of its divisors is an integer number (127809360).

Almost surely, 21451430460 is an apocalyptic number.

1451430460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1451430460 is an abundant number, since it is smaller than the sum of its proper divisors (1615994180).

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

1451430460 is a wasteful number, since it uses less digits than its factorization.

1451430460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 462405 (or 462403 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 1451430460 is about 38097.6437591618. The cubic root of 1451430460 is about 1132.2232731438.

The spelling of 1451430460 in words is "one billion, four hundred fifty-one million, four hundred thirty thousand, four hundred sixty".

Divisors: 1 2 4 5 10 20 157 314 628 785 1570 3140 462239 924478 1848956 2311195 4622390 9244780 72571523 145143046 290286092 362857615 725715230 1451430460