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1427628 = 223271439
BaseRepresentation
bin101011100100010101100
32200112100010
411130202230
5331141003
650333220
715064116
oct5344254
92615303
101427628
11895664
1258a210
133aca67
142923b6
151d3003
hex15c8ac

1427628 has 24 divisors (see below), whose sum is σ = 3351040. Its totient is φ = 473040.

The previous prime is 1427627. The next prime is 1427653. The reversal of 1427628 is 8267241.

It is a junction number, because it is equal to n+sod(n) for n = 1427595 and 1427604.

It is not an unprimeable number, because it can be changed into a prime (1427627) 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, 3033 + ... + 3471.

21427628 is an apocalyptic number.

It is an amenable number.

1427628 is an abundant number, since it is smaller than the sum of its proper divisors (1923412).

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

1427628 is a wasteful number, since it uses less digits than its factorization.

1427628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 717 (or 715 counting only the distinct ones).

The product of its digits is 5376, while the sum is 30.

The square root of 1427628 is about 1194.8338796670. The cubic root of 1427628 is about 112.5999901147.

The spelling of 1427628 in words is "one million, four hundred twenty-seven thousand, six hundred twenty-eight".

Divisors: 1 2 3 4 6 12 271 439 542 813 878 1084 1317 1626 1756 2634 3252 5268 118969 237938 356907 475876 713814 1427628