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2930589247 = 31257367841
BaseRepresentation
bin1010111010101101…
…0011111000111111
321120020102100200111
42232223103320333
522000212323442
61202444410451
7132423411655
oct25653237077
97506370614
102930589247
111274272093
12699546a27
133791c0ca1
141db2d8dd5
15122432b17
hexaead3e3f

2930589247 has 8 divisors (see below), whose sum is σ = 3036903552. Its totient is φ = 2825011200.

The previous prime is 2930589239. The next prime is 2930589271. The reversal of 2930589247 is 7429850392.

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 2930589247 - 23 = 2930589239 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2930589247.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2930589947) 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, 175954 + ... + 191887.

It is an arithmetic number, because the mean of its divisors is an integer number (379612944).

Almost surely, 22930589247 is an apocalyptic number.

2930589247 is a deficient number, since it is larger than the sum of its proper divisors (106314305).

2930589247 is a wasteful number, since it uses less digits than its factorization.

2930589247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 368129.

The product of its (nonzero) digits is 1088640, while the sum is 49.

The square root of 2930589247 is about 54134.9170776127. The cubic root of 2930589247 is about 1431.0395959732.

The spelling of 2930589247 in words is "two billion, nine hundred thirty million, five hundred eighty-nine thousand, two hundred forty-seven".

Divisors: 1 31 257 7967 367841 11403071 94535137 2930589247