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1253480472 = 233217409451
BaseRepresentation
bin100101010110110…
…1001100000011000
310020100122101221200
41022231221200120
510031342333342
6324214234200
743030260006
oct11255514030
93210571850
101253480472
11593614482
122ab955960
1316c8cab2a
14bc691a76
15750a194c
hex4ab69818

1253480472 has 24 divisors (see below), whose sum is σ = 3394843140. Its totient is φ = 417826800.

The previous prime is 1253480471. The next prime is 1253480479. The reversal of 1253480472 is 2740843521.

It is a happy number.

1253480472 is a `hidden beast` number, since 1 + 2 + 534 + 80 + 47 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (24).

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1253480471) 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 5 ways as a sum of consecutive naturals, for example, 8704654 + ... + 8704797.

Almost surely, 21253480472 is an apocalyptic number.

1253480472 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1253480472 is an abundant number, since it is smaller than the sum of its proper divisors (2141362668).

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

1253480472 is a wasteful number, since it uses less digits than its factorization.

1253480472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17409463 (or 17409456 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 36.

The square root of 1253480472 is about 35404.5261513270. The cubic root of 1253480472 is about 1078.2162117966.

The spelling of 1253480472 in words is "one billion, two hundred fifty-three million, four hundred eighty thousand, four hundred seventy-two".

Divisors: 1 2 3 4 6 8 9 12 18 24 36 72 17409451 34818902 52228353 69637804 104456706 139275608 156685059 208913412 313370118 417826824 626740236 1253480472