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1425704 = 23723637
BaseRepresentation
bin101011100000100101000
32200102200212
411130010220
5331110304
650320252
715055400
oct5340450
92612625
101425704
11894175
12589088
133abc17
14291800
151d266e
hex15c128

1425704 has 24 divisors (see below), whose sum is σ = 3110490. Its totient is φ = 610848.

The previous prime is 1425667. The next prime is 1425707. The reversal of 1425704 is 4075241.

It can be written as a sum of positive squares in only one way, i.e., 1416100 + 9604 = 1190^2 + 98^2 .

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 1425704.

It is not an unprimeable number, because it can be changed into a prime (1425707) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1427 + ... + 2210.

21425704 is an apocalyptic number.

1425704 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1425704 is an abundant number, since it is smaller than the sum of its proper divisors (1684786).

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

1425704 is a wasteful number, since it uses less digits than its factorization.

1425704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3657 (or 3646 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 23.

The square root of 1425704 is about 1194.0284753723. The cubic root of 1425704 is about 112.5493840800.

The spelling of 1425704 in words is "one million, four hundred twenty-five thousand, seven hundred four".

Divisors: 1 2 4 7 8 14 28 49 56 98 196 392 3637 7274 14548 25459 29096 50918 101836 178213 203672 356426 712852 1425704