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1890970296 = 233591335431
BaseRepresentation
bin111000010110101…
…1110101010111000
311212210012020120220
41300231132222320
512333042022141
6511350020040
764600660635
oct16055365270
94783166526
101890970296
11890448a76
12449347620
132419c1847
1413d1d718c
15b1027766
hex70b5eab8

1890970296 has 32 divisors (see below), whose sum is σ = 4807555200. Its totient is φ = 619639520.

The previous prime is 1890970219. The next prime is 1890970309. The reversal of 1890970296 is 6920790981.

It is a happy number.

It is a congruent number.

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, 666300 + ... + 669131.

It is an arithmetic number, because the mean of its divisors is an integer number (150236100).

Almost surely, 21890970296 is an apocalyptic number.

It is an amenable number.

1890970296 is an abundant number, since it is smaller than the sum of its proper divisors (2916584904).

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

1890970296 is a wasteful number, since it uses less digits than its factorization.

1890970296 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1335499 (or 1335495 counting only the distinct ones).

The product of its (nonzero) digits is 489888, while the sum is 51.

The square root of 1890970296 is about 43485.2882708624. The cubic root of 1890970296 is about 1236.5971339911.

The spelling of 1890970296 in words is "one billion, eight hundred ninety million, nine hundred seventy thousand, two hundred ninety-six".

Divisors: 1 2 3 4 6 8 12 24 59 118 177 236 354 472 708 1416 1335431 2670862 4006293 5341724 8012586 10683448 16025172 32050344 78790429 157580858 236371287 315161716 472742574 630323432 945485148 1890970296