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1457428 = 22752051
BaseRepresentation
bin101100011110100010100
32202001012211
411203310110
5333114203
651123204
715250030
oct5436424
92661184
101457428
11905a95
125a3504
133c04ab
1429d1c0
151dbc6d
hex163d14

1457428 has 12 divisors (see below), whose sum is σ = 2914912. Its totient is φ = 624600.

The previous prime is 1457419. The next prime is 1457429. The reversal of 1457428 is 8247541.

1457428 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 1457428.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1457429) 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, 25998 + ... + 26053.

21457428 is an apocalyptic number.

It is an amenable number.

1457428 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1457428 is a wasteful number, since it uses less digits than its factorization.

1457428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52062 (or 52060 counting only the distinct ones).

The product of its digits is 8960, while the sum is 31.

The square root of 1457428 is about 1207.2398270435. The cubic root of 1457428 is about 113.3780638505.

The spelling of 1457428 in words is "one million, four hundred fifty-seven thousand, four hundred twenty-eight".

Divisors: 1 2 4 7 14 28 52051 104102 208204 364357 728714 1457428