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2140351 = 17137919
BaseRepresentation
bin1000001010100010111111
311000202000021
420022202333
51021442401
6113513011
724123043
oct10124277
94022007
102140351
111232094
12872767
1359c2a5
143da023
152c42a1
hex20a8bf

2140351 has 8 divisors (see below), whose sum is σ = 2285280. Its totient is φ = 1997568.

The previous prime is 2140349. The next prime is 2140363. The reversal of 2140351 is 1530412.

2140351 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 2140351 - 21 = 2140349 is a prime.

It is a super-2 number, since 2×21403512 = 9162204806402, which contains 22 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 (2140301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1870 + ... + 2788.

It is an arithmetic number, because the mean of its divisors is an integer number (285660).

22140351 is an apocalyptic number.

2140351 is a deficient number, since it is larger than the sum of its proper divisors (144929).

2140351 is a wasteful number, since it uses less digits than its factorization.

2140351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1073.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 2140351 is about 1462.9938482441. The cubic root of 2140351 is about 128.8729193397.

Adding to 2140351 its reverse (1530412), we get a palindrome (3670763).

The spelling of 2140351 in words is "two million, one hundred forty thousand, three hundred fifty-one".

Divisors: 1 17 137 919 2329 15623 125903 2140351