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8990082949 = 61266355343
BaseRepresentation
bin10000101111101100…
…11100011110000101
3212012112102112101011
420113312130132011
5121402430123244
64044024402221
7435532305241
oct102766343605
925175375334
108990082949
1138a3738421
1218aa916371
13b036ba413
14613d93421
153793bd434
hex217d9c785

8990082949 has 8 divisors (see below), whose sum is σ = 9141057792. Its totient is φ = 8839224240.

The previous prime is 8990082931. The next prime is 8990082973. The reversal of 8990082949 is 9492800998.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 8990082949 - 219 = 8989558661 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 8990082893 and 8990082902.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8990002949) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 134772 + ... + 190114.

It is an arithmetic number, because the mean of its divisors is an integer number (1142632224).

Almost surely, 28990082949 is an apocalyptic number.

It is an amenable number.

8990082949 is a deficient number, since it is larger than the sum of its proper divisors (150974843).

8990082949 is a wasteful number, since it uses less digits than its factorization.

8990082949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58067.

The product of its (nonzero) digits is 3359232, while the sum is 58.

The square root of 8990082949 is about 94816.0479507557. The cubic root of 8990082949 is about 2079.3195312469.

The spelling of 8990082949 in words is "eight billion, nine hundred ninety million, eighty-two thousand, nine hundred forty-nine".

Divisors: 1 61 2663 55343 162443 3375923 147378409 8990082949