Search a number
-
+
1429025 = 52134397
BaseRepresentation
bin101011100111000100001
32200121020212
411130320201
5331212100
650343505
715101153
oct5347041
92617225
101429025
11896714
1258ab95
133b05a0
14292ad3
151d3635
hex15ce21

1429025 has 12 divisors (see below), whose sum is σ = 1908732. Its totient is φ = 1055040.

The previous prime is 1428997. The next prime is 1429027. The reversal of 1429025 is 5209241.

It can be written as a sum of positive squares in 6 ways, for example, as 165649 + 1263376 = 407^2 + 1124^2 .

It is not a de Polignac number, because 1429025 - 28 = 1428769 is a prime.

It is a super-2 number, since 2×14290252 = 4084224901250, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1429027) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1874 + ... + 2523.

It is an arithmetic number, because the mean of its divisors is an integer number (159061).

21429025 is an apocalyptic number.

It is an amenable number.

1429025 is a deficient number, since it is larger than the sum of its proper divisors (479707).

1429025 is a wasteful number, since it uses less digits than its factorization.

1429025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4420 (or 4415 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 1429025 is about 1195.4183368177. The cubic root of 1429025 is about 112.6367062398.

The spelling of 1429025 in words is "one million, four hundred twenty-nine thousand, twenty-five".

Divisors: 1 5 13 25 65 325 4397 21985 57161 109925 285805 1429025