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1042425025 = 52192194579
BaseRepresentation
bin111110001000100…
…010010011000001
32200122111200022021
4332020202103001
54113330100100
6251234441441
734555316005
oct7610422301
92618450267
101042425025
11495470394
12251133281
13137c72755
149c632705
15617b1a1a
hex3e2224c1

1042425025 has 12 divisors (see below), whose sum is σ = 1360639600. Its totient is φ = 790048080.

The previous prime is 1042424969. The next prime is 1042425031. The reversal of 1042425025 is 5205242401.

It is not a de Polignac number, because 1042425025 - 219 = 1041900737 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1096815 + ... + 1097764.

Almost surely, 21042425025 is an apocalyptic number.

It is an amenable number.

1042425025 is a deficient number, since it is larger than the sum of its proper divisors (318214575).

1042425025 is a wasteful number, since it uses less digits than its factorization.

1042425025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2194608 (or 2194603 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 25.

The square root of 1042425025 is about 32286.6075176690. The cubic root of 1042425025 is about 1013.9462723122.

Adding to 1042425025 its reverse (5205242401), we get a palindrome (6247667426).

The spelling of 1042425025 in words is "one billion, forty-two million, four hundred twenty-five thousand, twenty-five".

Divisors: 1 5 19 25 95 475 2194579 10972895 41697001 54864475 208485005 1042425025