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442514051 = 729030899
BaseRepresentation
bin11010011000000…
…011101010000011
31010211200001011022
4122120003222003
51401240422201
6111524340055
713652210300
oct3230035203
91124601138
10442514051
112078733a1
1210424462b
13708a8545
1442ab00a7
1528cb041b
hex1a603a83

442514051 has 6 divisors (see below), whose sum is σ = 514761300. Its totient is φ = 379297716.

The previous prime is 442514041. The next prime is 442514081. The reversal of 442514051 is 150415244.

It is a de Polignac number, because none of the positive numbers 2k-442514051 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 442514051.

It is not an unprimeable number, because it can be changed into a prime (442514041) 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, 4515401 + ... + 4515498.

It is an arithmetic number, because the mean of its divisors is an integer number (85793550).

Almost surely, 2442514051 is an apocalyptic number.

442514051 is a deficient number, since it is larger than the sum of its proper divisors (72247249).

442514051 is an equidigital number, since it uses as much as digits as its factorization.

442514051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9030913 (or 9030906 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 26.

The square root of 442514051 is about 21036.0179454192. The cubic root of 442514051 is about 762.0363504312.

Adding to 442514051 its reverse (150415244), we get a palindrome (592929295).

The spelling of 442514051 in words is "four hundred forty-two million, five hundred fourteen thousand, fifty-one".

Divisors: 1 7 49 9030899 63216293 442514051