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1942322020 = 22597116101
BaseRepresentation
bin111001111000101…
…0111101101100100
312000100211011220121
41303301113231210
512434213301040
6520422411324
766063315262
oct16361275544
95010734817
101942322020
11907432311
12462590b44
1324c531292
14145d63432
15b57bcc4a
hex73c57b64

1942322020 has 12 divisors (see below), whose sum is σ = 4078876284. Its totient is φ = 776928800.

The previous prime is 1942322003. The next prime is 1942322051. The reversal of 1942322020 is 202232491.

It can be written as a sum of positive squares in 2 ways, for example, as 938319424 + 1004002596 = 30632^2 + 31686^2 .

It is a super-2 number, since 2×19423220202 = 7545229658753760800, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48558031 + ... + 48558070.

It is an arithmetic number, because the mean of its divisors is an integer number (339906357).

Almost surely, 21942322020 is an apocalyptic number.

1942322020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1942322020 is an abundant number, since it is smaller than the sum of its proper divisors (2136554264).

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

1942322020 is a wasteful number, since it uses less digits than its factorization.

1942322020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97116110 (or 97116108 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 1942322020 is about 44071.7825825096. The cubic root of 1942322020 is about 1247.6911020849.

The spelling of 1942322020 in words is "one billion, nine hundred forty-two million, three hundred twenty-two thousand, twenty".

Divisors: 1 2 4 5 10 20 97116101 194232202 388464404 485580505 971161010 1942322020