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126034213 = 472681579
BaseRepresentation
bin1111000001100…
…10000100100101
322210011012102211
413200302010211
5224231043323
620301203421
73060162454
oct740620445
9283135384
10126034213
1165163408
1236260571
132015a676
1412a4ab9b
15b0e870d
hex7832125

126034213 has 4 divisors (see below), whose sum is σ = 128715840. Its totient is φ = 123352588.

The previous prime is 126034177. The next prime is 126034231. The reversal of 126034213 is 312430621.

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, and also an emirpimes, since its reverse is a distinct semiprime: 312430621 = 1033033307.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-126034213 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 (126032213) 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 3 ways as a sum of consecutive naturals, for example, 1340743 + ... + 1340836.

It is an arithmetic number, because the mean of its divisors is an integer number (32178960).

Almost surely, 2126034213 is an apocalyptic number.

It is an amenable number.

126034213 is a deficient number, since it is larger than the sum of its proper divisors (2681627).

126034213 is an equidigital number, since it uses as much as digits as its factorization.

126034213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2681626.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 126034213 is about 11226.4960250294. The cubic root of 126034213 is about 501.3751650415.

Adding to 126034213 its reverse (312430621), we get a palindrome (438464834).

The spelling of 126034213 in words is "one hundred twenty-six million, thirty-four thousand, two hundred thirteen".

Divisors: 1 47 2681579 126034213