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1428574512 = 24329761969
BaseRepresentation
bin101010100100110…
…0101000100110000
310200120010002211010
41111021211010300
510411203341022
6353431150520
750254453161
oct12511450460
93616102733
101428574512
116734361a2
1233a515440
13199c74981
14d7a2d768
158563b50c
hex55265130

1428574512 has 20 divisors (see below), whose sum is σ = 3690484280. Its totient is φ = 476191488.

The previous prime is 1428574501. The next prime is 1428574513. The reversal of 1428574512 is 2154758241.

It is not an unprimeable number, because it can be changed into a prime (1428574513) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14880937 + ... + 14881032.

It is an arithmetic number, because the mean of its divisors is an integer number (184524214).

Almost surely, 21428574512 is an apocalyptic number.

1428574512 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1428574512 is an abundant number, since it is smaller than the sum of its proper divisors (2261909768).

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

1428574512 is a wasteful number, since it uses less digits than its factorization.

1428574512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29761980 (or 29761974 counting only the distinct ones).

The product of its digits is 89600, while the sum is 39.

The square root of 1428574512 is about 37796.4880908266. The cubic root of 1428574512 is about 1126.2486907408.

The spelling of 1428574512 in words is "one billion, four hundred twenty-eight million, five hundred seventy-four thousand, five hundred twelve".

Divisors: 1 2 3 4 6 8 12 16 24 48 29761969 59523938 89285907 119047876 178571814 238095752 357143628 476191504 714287256 1428574512