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2420403979 = 74716744053
BaseRepresentation
bin1001000001000100…
…0110111100001011
320020200102021001211
42100101012330023
514424110411404
61040101353551
7113660044240
oct22021067413
96220367054
102420403979
111032289374
125767088b7
132c75b0c06
1418d6515c7
15e2756b04
hex90446f0b

2420403979 has 16 divisors (see below), whose sum is σ = 2842011648. Its totient is φ = 2018286432.

The previous prime is 2420403967. The next prime is 2420403989. The reversal of 2420403979 is 9793040242.

It is a cyclic number.

It is not a de Polignac number, because 2420403979 - 27 = 2420403851 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2420403949) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32917 + ... + 76969.

It is an arithmetic number, because the mean of its divisors is an integer number (177625728).

Almost surely, 22420403979 is an apocalyptic number.

2420403979 is a deficient number, since it is larger than the sum of its proper divisors (421607669).

2420403979 is a wasteful number, since it uses less digits than its factorization.

2420403979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44274.

The product of its (nonzero) digits is 108864, while the sum is 40.

The square root of 2420403979 is about 49197.6013541311. The cubic root of 2420403979 is about 1342.6493916450.

The spelling of 2420403979 in words is "two billion, four hundred twenty million, four hundred three thousand, nine hundred seventy-nine".

Divisors: 1 7 47 167 329 1169 7849 44053 54943 308371 2070491 7356851 14493437 51497957 345771997 2420403979