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2380423947 = 311151607787
BaseRepresentation
bin1000110111100010…
…0110001100001011
320010220012001202220
42031320212030023
514333342031242
61032112425123
7112663161336
oct21570461413
96126161686
102380423947
111011761820
125652481a3
132bc2234a5
1418820561d
15ddeaabec
hex8de2630b

2380423947 has 32 divisors (see below), whose sum is σ = 3495542784. Its totient is φ = 1428948000.

The previous prime is 2380423901. The next prime is 2380423967. The reversal of 2380423947 is 7493240832.

It is not a de Polignac number, because 2380423947 - 26 = 2380423883 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2380423899 and 2380423908.

It is not an unprimeable number, because it can be changed into a prime (2380423967) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3024288 + ... + 3025074.

It is an arithmetic number, because the mean of its divisors is an integer number (109235712).

Almost surely, 22380423947 is an apocalyptic number.

2380423947 is a deficient number, since it is larger than the sum of its proper divisors (1115118837).

2380423947 is a wasteful number, since it uses less digits than its factorization.

2380423947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1559.

The product of its (nonzero) digits is 290304, while the sum is 42.

The square root of 2380423947 is about 48789.5885102549. The cubic root of 2380423947 is about 1335.2157201656.

The spelling of 2380423947 in words is "two billion, three hundred eighty million, four hundred twenty-three thousand, nine hundred forty-seven".

Divisors: 1 3 11 33 151 453 607 787 1661 1821 2361 4983 6677 8657 20031 25971 91657 118837 274971 356511 477709 1008227 1307207 1433127 3024681 3921621 5254799 15764397 72134059 216402177 793474649 2380423947