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2420451231 = 31173347007
BaseRepresentation
bin1001000001000101…
…0010011110011111
320020200111122212220
42100101102132133
514424113414411
61040102400423
7113660332062
oct22021223637
96220448786
102420451231
111032310920
12576730113
132c75c9583
1418d6648d9
15e2765b06
hex9045279f

2420451231 has 8 divisors (see below), whose sum is σ = 3520656384. Its totient is φ = 1466940120.

The previous prime is 2420451227. The next prime is 2420451301. The reversal of 2420451231 is 1321540242.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2420451231 - 22 = 2420451227 is a prime.

It is a super-2 number, since 2×24204512312 = 11717168323298830722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2420451431) 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, 36673471 + ... + 36673536.

It is an arithmetic number, because the mean of its divisors is an integer number (440082048).

Almost surely, 22420451231 is an apocalyptic number.

2420451231 is a deficient number, since it is larger than the sum of its proper divisors (1100205153).

2420451231 is a wasteful number, since it uses less digits than its factorization.

2420451231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73347021.

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 2420451231 is about 49198.0815784518. The cubic root of 2420451231 is about 1342.6581288168.

Adding to 2420451231 its reverse (1321540242), we get a palindrome (3741991473).

The spelling of 2420451231 in words is "two billion, four hundred twenty million, four hundred fifty-one thousand, two hundred thirty-one".

Divisors: 1 3 11 33 73347007 220041021 806817077 2420451231