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1428585552 = 24333306911
BaseRepresentation
bin101010100100110…
…0111110001010000
310200120010122222000
41111021213301100
510411204214202
6353431314000
750254530312
oct12511476120
93616118860
101428585552
11673443519
1233a51b900
13199c799c4
14d7a337b2
158563e91c
hex55267c50

1428585552 has 40 divisors (see below), whose sum is σ = 4100570880. Its totient is φ = 476195040.

The previous prime is 1428585451. The next prime is 1428585553. The reversal of 1428585552 is 2555858241.

1428585552 is a `hidden beast` number, since 1 + 42 + 8 + 58 + 5 + 552 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 1428585498 and 1428585507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1428585553) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1653024 + ... + 1653887.

It is an arithmetic number, because the mean of its divisors is an integer number (102514272).

Almost surely, 21428585552 is an apocalyptic number.

1428585552 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1428585552 is an abundant number, since it is smaller than the sum of its proper divisors (2671985328).

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

1428585552 is a wasteful number, since it uses less digits than its factorization.

1428585552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3306928 (or 3306916 counting only the distinct ones).

The product of its digits is 640000, while the sum is 45.

The square root of 1428585552 is about 37796.6341358592. The cubic root of 1428585552 is about 1126.2515919437.

The spelling of 1428585552 in words is "one billion, four hundred twenty-eight million, five hundred eighty-five thousand, five hundred fifty-two".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 27 36 48 54 72 108 144 216 432 3306911 6613822 9920733 13227644 19841466 26455288 29762199 39682932 52910576 59524398 79365864 89286597 119048796 158731728 178573194 238097592 357146388 476195184 714292776 1428585552