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9090476940 = 2235627724137
BaseRepresentation
bin10000111011101010…
…11010101110001100
3212110112100002001010
420131311122232030
5122104130230230
64102012245220
7441161531136
oct103565325614
925415302033
109090476940
113945378966
121918470810
13b1b43b34c
14623448056
153830ee9b0
hex21dd5ab8c

9090476940 has 48 divisors (see below), whose sum is σ = 25458445152. Its totient is φ = 2423640576.

The previous prime is 9090476903. The next prime is 9090476953. The reversal of 9090476940 is 496740909.

It is a self number, because there is not a number n which added to its sum of digits gives 9090476940.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 364552 + ... + 388688.

It is an arithmetic number, because the mean of its divisors is an integer number (530384274).

Almost surely, 29090476940 is an apocalyptic number.

It is an amenable number.

9090476940 is an abundant number, since it is smaller than the sum of its proper divisors (16367968212).

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

9090476940 is a wasteful number, since it uses less digits than its factorization.

9090476940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30426 (or 30424 counting only the distinct ones).

The product of its (nonzero) digits is 489888, while the sum is 48.

The square root of 9090476940 is about 95343.9926791405. The cubic root of 9090476940 is about 2087.0309512567.

The spelling of 9090476940 in words is "nine billion, ninety million, four hundred seventy-six thousand, nine hundred forty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 6277 12554 18831 24137 25108 31385 37662 48274 62770 72411 75324 94155 96548 120685 125540 144822 188310 241370 289644 362055 376620 482740 724110 1448220 151507949 303015898 454523847 606031796 757539745 909047694 1515079490 1818095388 2272619235 3030158980 4545238470 9090476940