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2041857349 = 7291693907
BaseRepresentation
bin111100110110100…
…0100010101000101
312021022010002201021
41321231010111011
513140203413344
6534340031141
7101412333610
oct17155042505
95238102637
102041857349
11958636714
1248b9924b1
1326704141c
14155273177
15be3ceb84
hex79b44545

2041857349 has 4 divisors (see below), whose sum is σ = 2333551264. Its totient is φ = 1750163436.

The previous prime is 2041857299. The next prime is 2041857371. The reversal of 2041857349 is 9437581402.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 2041857349 - 215 = 2041824581 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 (2041857949) 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, 145846947 + ... + 145846960.

It is an arithmetic number, because the mean of its divisors is an integer number (583387816).

Almost surely, 22041857349 is an apocalyptic number.

It is an amenable number.

2041857349 is a deficient number, since it is larger than the sum of its proper divisors (291693915).

2041857349 is an equidigital number, since it uses as much as digits as its factorization.

2041857349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 291693914.

The product of its (nonzero) digits is 241920, while the sum is 43.

The square root of 2041857349 is about 45186.9156836357. The cubic root of 2041857349 is about 1268.6499280790.

The spelling of 2041857349 in words is "two billion, forty-one million, eight hundred fifty-seven thousand, three hundred forty-nine".

Divisors: 1 7 291693907 2041857349