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442642070 = 25137346643
BaseRepresentation
bin11010011000100…
…010111010010110
31010211220112202202
4122120202322112
51401304021240
6111531204502
713653252443
oct3230427226
91124815682
10442642070
112079505a2
121042a6732
13709218b0
1442b049ca
1528cd8315
hex1a622e96

442642070 has 32 divisors (see below), whose sum is σ = 869817312. Its totient is φ = 161194752.

The previous prime is 442642037. The next prime is 442642093. The reversal of 442642070 is 70246244.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13832 + ... + 32811.

It is an arithmetic number, because the mean of its divisors is an integer number (27181791).

Almost surely, 2442642070 is an apocalyptic number.

442642070 is a deficient number, since it is larger than the sum of its proper divisors (427175242).

442642070 is a wasteful number, since it uses less digits than its factorization.

442642070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46736.

The product of its (nonzero) digits is 10752, while the sum is 29.

The square root of 442642070 is about 21039.0605778870. The cubic root of 442642070 is about 762.1098288705.

The spelling of 442642070 in words is "four hundred forty-two million, six hundred forty-two thousand, seventy".

Divisors: 1 2 5 10 13 26 65 73 130 146 365 730 949 1898 4745 9490 46643 93286 233215 466430 606359 1212718 3031795 3404939 6063590 6809878 17024695 34049390 44264207 88528414 221321035 442642070