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1942596890 = 2513142910457
BaseRepresentation
bin111001111001001…
…1010110100011010
312000101100010221222
41303302122310122
512434301100030
6520432332042
766065541533
oct16362326432
95011303858
101942596890
119075aa883
124626a4022
1324c5c9420
14145dd568a
15b58243e5
hex73c9ad1a

1942596890 has 32 divisors (see below), whose sum is σ = 3768644880. Its totient is φ = 716696064.

The previous prime is 1942596881. The next prime is 1942596907. The reversal of 1942596890 is 986952491.

It can be written as a sum of positive squares in 8 ways, for example, as 435682129 + 1506914761 = 20873^2 + 38819^2 .

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 15 ways as a sum of consecutive naturals, for example, 180542 + ... + 190998.

Almost surely, 21942596890 is an apocalyptic number.

1942596890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1942596890 is a deficient number, since it is larger than the sum of its proper divisors (1826047990).

1942596890 is a wasteful number, since it uses less digits than its factorization.

1942596890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11906.

The product of its (nonzero) digits is 1399680, while the sum is 53.

The square root of 1942596890 is about 44074.9009074326. The cubic root of 1942596890 is about 1247.7499554698.

The spelling of 1942596890 in words is "one billion, nine hundred forty-two million, five hundred ninety-six thousand, eight hundred ninety".

Divisors: 1 2 5 10 13 26 65 130 1429 2858 7145 10457 14290 18577 20914 37154 52285 92885 104570 135941 185770 271882 679705 1359410 14943053 29886106 74715265 149430530 194259689 388519378 971298445 1942596890