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442112042 = 2431512891
BaseRepresentation
bin11010010110100…
…001100000101010
31010210220121201002
4122112201200222
51401140041132
6111511555002
713645614251
oct3226414052
91123817632
10442112042
11207619359
1210408ba62
1370797578
1442a07798
1528c31262
hex1a5a182a

442112042 has 8 divisors (see below), whose sum is σ = 664708032. Its totient is φ = 220542700.

The previous prime is 442111997. The next prime is 442112059. The reversal of 442112042 is 240211244.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 255584 + ... + 257307.

It is an arithmetic number, because the mean of its divisors is an integer number (83088504).

Almost surely, 2442112042 is an apocalyptic number.

442112042 is a deficient number, since it is larger than the sum of its proper divisors (222595990).

442112042 is a wasteful number, since it uses less digits than its factorization.

442112042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 513324.

The product of its (nonzero) digits is 512, while the sum is 20.

The square root of 442112042 is about 21026.4605200210. The cubic root of 442112042 is about 761.8055191273.

Adding to 442112042 its reverse (240211244), we get a palindrome (682323286).

The spelling of 442112042 in words is "four hundred forty-two million, one hundred twelve thousand, forty-two".

Divisors: 1 2 431 862 512891 1025782 221056021 442112042