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2138349 = 33122993
BaseRepresentation
bin1000001010000011101101
311000122021010
420022003231
51021411344
6113455433
724114153
oct10120355
94018233
102138349
111230634
12871579
1359b3c5
143d93d3
152c38b9
hex20a0ed

2138349 has 8 divisors (see below), whose sum is σ = 2943232. Its totient is φ = 1379520.

The previous prime is 2138327. The next prime is 2138363. The reversal of 2138349 is 9438312.

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

It is not a de Polignac number, because 2138349 - 27 = 2138221 is a prime.

It is a super-3 number, since 3×21383493 = 29333036209026367647, which contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2138399) 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, 11404 + ... + 11589.

It is an arithmetic number, because the mean of its divisors is an integer number (367904).

22138349 is an apocalyptic number.

It is an amenable number.

2138349 is a deficient number, since it is larger than the sum of its proper divisors (804883).

2138349 is a wasteful number, since it uses less digits than its factorization.

2138349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23027.

The product of its digits is 5184, while the sum is 30.

The square root of 2138349 is about 1462.3094747693. The cubic root of 2138349 is about 128.8327259215.

The spelling of 2138349 in words is "two million, one hundred thirty-eight thousand, three hundred forty-nine".

Divisors: 1 3 31 93 22993 68979 712783 2138349