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2930239008 = 253223442367
BaseRepresentation
bin1010111010100111…
…1110011000100000
321120012202120020200
42232221332120200
522000120122013
61202433105200
7132420422604
oct25651763040
97505676220
102930239008
111274052a34
126993b8200
133790ca748
141db247504
151223b3e73
hexaea7e620

2930239008 has 72 divisors (see below), whose sum is σ = 8695185408. Its totient is φ = 934276992.

The previous prime is 2930239003. The next prime is 2930239021. The reversal of 2930239008 is 8009320392.

2930239008 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (72).

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (2930239001) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 214560 + ... + 227807.

It is an arithmetic number, because the mean of its divisors is an integer number (120766464).

Almost surely, 22930239008 is an apocalyptic number.

It is an amenable number.

2930239008 is an abundant number, since it is smaller than the sum of its proper divisors (5764946400).

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

2930239008 is a wasteful number, since it uses less digits than its factorization.

2930239008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 442406 (or 442395 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 36.

The square root of 2930239008 is about 54131.6821094634. The cubic root of 2930239008 is about 1430.9825851581.

The spelling of 2930239008 in words is "two billion, nine hundred thirty million, two hundred thirty-nine thousand, eight".

Divisors: 1 2 3 4 6 8 9 12 16 18 23 24 32 36 46 48 69 72 92 96 138 144 184 207 276 288 368 414 552 736 828 1104 1656 2208 3312 6624 442367 884734 1327101 1769468 2654202 3538936 3981303 5308404 7077872 7962606 10174441 10616808 14155744 15925212 20348882 21233616 30523323 31850424 40697764 42467232 61046646 63700848 81395528 91569969 122093292 127401696 162791056 183139938 244186584 325582112 366279876 488373168 732559752 976746336 1465119504 2930239008