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442207607 = 5215771471
BaseRepresentation
bin11010010110111…
…000110101110111
31010211002110210112
4122112320311313
51401201120412
6111514013235
713646463002
oct3226706567
91124073715
10442207607
11207684136
1210411721b
13707cbc0a
1442a30539
1528c4e722
hex1a5b8d77

442207607 has 8 divisors (see below), whose sum is σ = 444125952. Its totient is φ = 440294400.

The previous prime is 442207589. The next prime is 442207663. The reversal of 442207607 is 706702244.

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

It is a cyclic number.

It is not a de Polignac number, because 442207607 - 28 = 442207351 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442207697) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 299882 + ... + 301352.

It is an arithmetic number, because the mean of its divisors is an integer number (55515744).

Almost surely, 2442207607 is an apocalyptic number.

442207607 is a deficient number, since it is larger than the sum of its proper divisors (1918345).

442207607 is a wasteful number, since it uses less digits than its factorization.

442207607 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2569.

The product of its (nonzero) digits is 18816, while the sum is 32.

The square root of 442207607 is about 21028.7328909756. The cubic root of 442207607 is about 761.8604046862.

The spelling of 442207607 in words is "four hundred forty-two million, two hundred seven thousand, six hundred seven".

Divisors: 1 521 577 1471 300617 766391 848767 442207607