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2049570431 is a prime number
BaseRepresentation
bin111101000101001…
…1111011001111111
312021211121222001222
41322022133121333
513144142223211
6535213223555
7101535026666
oct17212373177
95254558058
102049570431
11961a24667
12492491bbb
1326881208c
141562bdddd
15bee051db
hex7a29f67f

2049570431 has 2 divisors, whose sum is σ = 2049570432. Its totient is φ = 2049570430.

The previous prime is 2049570359. The next prime is 2049570461. The reversal of 2049570431 is 1340759402.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2049570431 - 214 = 2049554047 is a prime.

It is a super-2 number, since 2×20495704312 = 8401477903259051522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2049570391 and 2049570400.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2049570461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1024785215 + 1024785216.

It is an arithmetic number, because the mean of its divisors is an integer number (1024785216).

Almost surely, 22049570431 is an apocalyptic number.

2049570431 is a deficient number, since it is larger than the sum of its proper divisors (1).

2049570431 is an equidigital number, since it uses as much as digits as its factorization.

2049570431 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 30240, while the sum is 35.

The square root of 2049570431 is about 45272.1816461279. The cubic root of 2049570431 is about 1270.2453554934.

The spelling of 2049570431 in words is "two billion, forty-nine million, five hundred seventy thousand, four hundred thirty-one".