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442957002 = 23193382519
BaseRepresentation
bin11010011001101…
…111110011001010
31010212111112202220
4122121233303022
51401344111002
6111542034510
713656033555
oct3231576312
91125445686
10442957002
11208046174
12104418a36
1370a02047
1442b8769c
1528d4b7bc
hex1a66fcca

442957002 has 16 divisors (see below), whose sum is σ = 890506560. Its totient is φ = 146886912.

The previous prime is 442956971. The next prime is 442957003. The reversal of 442957002 is 200759244.

It is not an unprimeable number, because it can be changed into a prime (442957003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 190102 + ... + 192417.

It is an arithmetic number, because the mean of its divisors is an integer number (55656660).

Almost surely, 2442957002 is an apocalyptic number.

442957002 is an abundant number, since it is smaller than the sum of its proper divisors (447549558).

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

442957002 is a wasteful number, since it uses less digits than its factorization.

442957002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 382717.

The product of its (nonzero) digits is 20160, while the sum is 33.

The square root of 442957002 is about 21046.5437067467. The cubic root of 442957002 is about 762.2905285748.

The spelling of 442957002 in words is "four hundred forty-two million, nine hundred fifty-seven thousand, two".

Divisors: 1 2 3 6 193 386 579 1158 382519 765038 1147557 2295114 73826167 147652334 221478501 442957002