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442695190 = 25731204007
BaseRepresentation
bin11010011000101…
…111111000010110
31010212000020122011
4122120233320112
51401312221230
6111532254434
713653563350
oct3230577026
91125006564
10442695190
112079874a3
1210431141a
137093cb22
1442b1a0d0
1528ce8e2a
hex1a62fe16

442695190 has 32 divisors (see below), whose sum is σ = 940068864. Its totient is φ = 146884320.

The previous prime is 442695161. The next prime is 442695217. The reversal of 442695190 is 91596244.

It is a super-2 number, since 2×4426951902 = 391958062498272200, which contains 22 as substring.

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, 99834 + ... + 104173.

It is an arithmetic number, because the mean of its divisors is an integer number (29377152).

Almost surely, 2442695190 is an apocalyptic number.

442695190 is an abundant number, since it is smaller than the sum of its proper divisors (497373674).

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

442695190 is a wasteful number, since it uses less digits than its factorization.

442695190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204052.

The product of its (nonzero) digits is 77760, while the sum is 40.

The square root of 442695190 is about 21040.3229537952. The cubic root of 442695190 is about 762.1403137382.

The spelling of 442695190 in words is "four hundred forty-two million, six hundred ninety-five thousand, one hundred ninety".

Divisors: 1 2 5 7 10 14 31 35 62 70 155 217 310 434 1085 2170 204007 408014 1020035 1428049 2040070 2856098 6324217 7140245 12648434 14280490 31621085 44269519 63242170 88539038 221347595 442695190