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1442330220 = 223524038837
BaseRepresentation
bin101010111111000…
…0011011001101100
310201111222222002210
41111332003121230
510423214031340
6355042050420
750512414242
oct12576033154
93644888083
101442330220
11680181051
12343049a10
1319ca7cb46
14d97b0792
1586957180
hex55f8366c

1442330220 has 24 divisors (see below), whose sum is σ = 4038524784. Its totient is φ = 384621376.

The previous prime is 1442330213. The next prime is 1442330243. The reversal of 1442330220 is 220332441.

It is an unprimeable number.

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, 12019359 + ... + 12019478.

It is an arithmetic number, because the mean of its divisors is an integer number (168271866).

Almost surely, 21442330220 is an apocalyptic number.

1442330220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1442330220 is an abundant number, since it is smaller than the sum of its proper divisors (2596194564).

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

1442330220 is a wasteful number, since it uses less digits than its factorization.

1442330220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24038849 (or 24038847 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 1442330220 is about 37978.0228553304. The cubic root of 1442330220 is about 1129.8520233305.

Adding to 1442330220 its reverse (220332441), we get a palindrome (1662662661).

The spelling of 1442330220 in words is "one billion, four hundred forty-two million, three hundred thirty thousand, two hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 24038837 48077674 72116511 96155348 120194185 144233022 240388370 288466044 360582555 480776740 721165110 1442330220