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2420903953 = 13186223381
BaseRepresentation
bin1001000001001100…
…0001000000010001
320020201100122220101
42100103001000101
514424222411303
61040120212401
7113664226006
oct22023010021
96221318811
102420903953
11103259aa76
1257690a101
132c7727660
1418d7418ad
15e2804d1d
hex904c1011

2420903953 has 4 divisors (see below), whose sum is σ = 2607127348. Its totient is φ = 2234680560.

The previous prime is 2420903929. The next prime is 2420903959. The reversal of 2420903953 is 3593090242.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 248598289 + 2172305664 = 15767^2 + 46608^2 .

It is a cyclic number.

It is not a de Polignac number, because 2420903953 - 225 = 2387349521 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2420903959) 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, 93111678 + ... + 93111703.

It is an arithmetic number, because the mean of its divisors is an integer number (651781837).

Almost surely, 22420903953 is an apocalyptic number.

It is an amenable number.

2420903953 is a deficient number, since it is larger than the sum of its proper divisors (186223395).

2420903953 is a wasteful number, since it uses less digits than its factorization.

2420903953 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186223394.

The product of its (nonzero) digits is 58320, while the sum is 37.

The square root of 2420903953 is about 49202.6823760656. The cubic root of 2420903953 is about 1342.7418340053.

The spelling of 2420903953 in words is "two billion, four hundred twenty million, nine hundred three thousand, nine hundred fifty-three".

Divisors: 1 13 186223381 2420903953