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2105246434 = 24125673737
BaseRepresentation
bin111110101111011…
…1000001011100010
312102201101121012011
41331132320023202
513302420341214
6544522423134
7103112204464
oct17536701342
95381347164
102105246434
119903a1895
124a9061aaa
13277206b65
1415d854134
15c4c51ac4
hex7d7b82e2

2105246434 has 8 divisors (see below), whose sum is σ = 3234890988. Its totient is φ = 1026949440.

The previous prime is 2105246413. The next prime is 2105246447. The reversal of 2105246434 is 4346425012.

It can be written as a sum of positive squares in 2 ways, for example, as 2011253409 + 93993025 = 44847^2 + 9695^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 2105246396 and 2105246405.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12836787 + ... + 12836950.

Almost surely, 22105246434 is an apocalyptic number.

2105246434 is a deficient number, since it is larger than the sum of its proper divisors (1129644554).

2105246434 is a wasteful number, since it uses less digits than its factorization.

2105246434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25673780.

The product of its (nonzero) digits is 23040, while the sum is 31.

The square root of 2105246434 is about 45882.9645293327. The cubic root of 2105246434 is about 1281.6447025903.

The spelling of 2105246434 in words is "two billion, one hundred five million, two hundred forty-six thousand, four hundred thirty-four".

Divisors: 1 2 41 82 25673737 51347474 1052623217 2105246434