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1463428 = 221721521
BaseRepresentation
bin101100101010010000100
32202100110001
411211102010
5333312203
651211044
715303361
oct5452204
92670401
101463428
1190a54a
125a6a84
133c3145
142a1468
151dd91d
hex165484

1463428 has 12 divisors (see below), whose sum is σ = 2711772. Its totient is φ = 688640.

The previous prime is 1463359. The next prime is 1463447. The reversal of 1463428 is 8243641.

It can be written as a sum of positive squares in 2 ways, for example, as 956484 + 506944 = 978^2 + 712^2 .

It is a super-2 number, since 2×14634282 = 4283243022368, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1463396 and 1463405.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10693 + ... + 10828.

It is an arithmetic number, because the mean of its divisors is an integer number (225981).

21463428 is an apocalyptic number.

It is an amenable number.

1463428 is a deficient number, since it is larger than the sum of its proper divisors (1248344).

1463428 is a wasteful number, since it uses less digits than its factorization.

1463428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21542 (or 21540 counting only the distinct ones).

The product of its digits is 4608, while the sum is 28.

The square root of 1463428 is about 1209.7222821788. The cubic root of 1463428 is about 113.5334373334.

It can be divided in two parts, 1463 and 428, that added together give a triangular number (1891 = T61).

The spelling of 1463428 in words is "one million, four hundred sixty-three thousand, four hundred twenty-eight".

Divisors: 1 2 4 17 34 68 21521 43042 86084 365857 731714 1463428