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2990637394 = 23148236087
BaseRepresentation
bin1011001001000001…
…1000000101010010
321201102102010020221
42302100120011102
522111100344034
61212431423254
7134052666313
oct26220300522
97642363227
102990637394
1112a5156158
126b5684b2a
13388786b34
1420528a60a
15127844bb4
hexb2418152

2990637394 has 8 divisors (see below), whose sum is σ = 4630664448. Its totient is φ = 1447082580.

The previous prime is 2990637389. The next prime is 2990637409. The reversal of 2990637394 is 4937360992.

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

It is a super-2 number, since 2×29906373942 = 17887824044782222472, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24117982 + ... + 24118105.

It is an arithmetic number, because the mean of its divisors is an integer number (578833056).

Almost surely, 22990637394 is an apocalyptic number.

2990637394 is a deficient number, since it is larger than the sum of its proper divisors (1640027054).

2990637394 is a wasteful number, since it uses less digits than its factorization.

2990637394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48236120.

The product of its (nonzero) digits is 2204496, while the sum is 52.

The square root of 2990637394 is about 54686.7204538725. The cubic root of 2990637394 is about 1440.7476496252.

The spelling of 2990637394 in words is "two billion, nine hundred ninety million, six hundred thirty-seven thousand, three hundred ninety-four".

Divisors: 1 2 31 62 48236087 96472174 1495318697 2990637394