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442132208 = 2479740697
BaseRepresentation
bin11010010110100…
…110011011110000
31010210221122100222
4122112212123300
51401141212313
6111512232212
713646030120
oct3226463360
91123848328
10442132208
11207632521
1210409b668
13707a37bb
1442a10c80
1528c37208
hex1a5a66f0

442132208 has 40 divisors (see below), whose sum is σ = 989124192. Its totient is φ = 187527168.

The previous prime is 442132189. The next prime is 442132211. The reversal of 442132208 is 802231244.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9485 + ... + 31212.

Almost surely, 2442132208 is an apocalyptic number.

It is an amenable number.

442132208 is an abundant number, since it is smaller than the sum of its proper divisors (546991984).

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

442132208 is a wasteful number, since it uses less digits than its factorization.

442132208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40809 (or 40803 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 26.

The square root of 442132208 is about 21026.9400531794. The cubic root of 442132208 is about 761.8171016637.

The spelling of 442132208 in words is "four hundred forty-two million, one hundred thirty-two thousand, two hundred eight".

Divisors: 1 2 4 7 8 14 16 28 56 97 112 194 388 679 776 1358 1552 2716 5432 10864 40697 81394 162788 284879 325576 569758 651152 1139516 2279032 3947609 4558064 7895218 15790436 27633263 31580872 55266526 63161744 110533052 221066104 442132208