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2420899927 = 8329167469
BaseRepresentation
bin1001000001001100…
…0000000001010111
320020201100110101021
42100103000001113
514424222244202
61040120142011
7113664211165
oct22023000127
96221313337
102420899927
111032597a46
12576907907
132c7725884
1418d740235
15e2803a37
hex904c0057

2420899927 has 4 divisors (see below), whose sum is σ = 2450067480. Its totient is φ = 2391732376.

The previous prime is 2420899913. The next prime is 2420899951. The reversal of 2420899927 is 7299980242.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7299980242 = 23649990121.

It is a cyclic number.

It is not a de Polignac number, because 2420899927 - 211 = 2420897879 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2420819927) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14583652 + ... + 14583817.

It is an arithmetic number, because the mean of its divisors is an integer number (612516870).

Almost surely, 22420899927 is an apocalyptic number.

2420899927 is a deficient number, since it is larger than the sum of its proper divisors (29167553).

2420899927 is an equidigital number, since it uses as much as digits as its factorization.

2420899927 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29167552.

The product of its (nonzero) digits is 1306368, while the sum is 52.

The square root of 2420899927 is about 49202.6414636450. The cubic root of 2420899927 is about 1342.7410896716.

The spelling of 2420899927 in words is "two billion, four hundred twenty million, eight hundred ninety-nine thousand, nine hundred twenty-seven".

Divisors: 1 83 29167469 2420899927