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1042442430 = 23534748081
BaseRepresentation
bin111110001000100…
…110100010111110
32200122112120011220
4332020212202332
54113331124210
6251235054210
734555420521
oct7610464276
92618476156
101042442430
11495482477
12251141366
13137c7a653
149c638bb8
15617b6c70
hex3e2268be

1042442430 has 16 divisors (see below), whose sum is σ = 2501861904. Its totient is φ = 277984640.

The previous prime is 1042442419. The next prime is 1042442441. The reversal of 1042442430 is 342442401.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1042442419) and next prime (1042442441).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1042442430.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17374011 + ... + 17374070.

It is an arithmetic number, because the mean of its divisors is an integer number (156366369).

Almost surely, 21042442430 is an apocalyptic number.

1042442430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1042442430 is an abundant number, since it is smaller than the sum of its proper divisors (1459419474).

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

1042442430 is a wasteful number, since it uses less digits than its factorization.

1042442430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34748091.

The product of its (nonzero) digits is 3072, while the sum is 24.

The square root of 1042442430 is about 32286.8770555469. The cubic root of 1042442430 is about 1013.9519154476.

Adding to 1042442430 its reverse (342442401), we get a palindrome (1384884831).

The spelling of 1042442430 in words is "one billion, forty-two million, four hundred forty-two thousand, four hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 34748081 69496162 104244243 173740405 208488486 347480810 521221215 1042442430