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1428552 = 233219841
BaseRepresentation
bin101011100110001001000
32200120121100
411130301020
5331203202
650341400
715066606
oct5346110
92616540
101428552
11896324
1258a860
133b02c8
14292876
151d341c
hex15cc48

1428552 has 24 divisors (see below), whose sum is σ = 3869190. Its totient is φ = 476160.

The previous prime is 1428541. The next prime is 1428571. The reversal of 1428552 is 2558241.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1425636 + 2916 = 1194^2 + 54^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9849 + ... + 9992.

21428552 is an apocalyptic number.

1428552 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1428552 is an abundant number, since it is smaller than the sum of its proper divisors (2440638).

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

1428552 is a wasteful number, since it uses less digits than its factorization.

1428552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19853 (or 19846 counting only the distinct ones).

The product of its digits is 3200, while the sum is 27.

The square root of 1428552 is about 1195.2204817522. The cubic root of 1428552 is about 112.6242774763.

The spelling of 1428552 in words is "one million, four hundred twenty-eight thousand, five hundred fifty-two".

Divisors: 1 2 3 4 6 8 9 12 18 24 36 72 19841 39682 59523 79364 119046 158728 178569 238092 357138 476184 714276 1428552