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126454 = 2232749
BaseRepresentation
bin11110110111110110
320102110111
4132313312
513021304
62413234
71034446
oct366766
9212414
10126454
1187009
126121a
1345733
1434126
1527704
hex1edf6

126454 has 8 divisors (see below), whose sum is σ = 198000. Its totient is φ = 60456.

The previous prime is 126443. The next prime is 126457. The reversal of 126454 is 454621.

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

It is a super-2 number, since 2×1264542 = 31981228232, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126457) by changing a digit.

126454 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1329 + ... + 1420.

It is an arithmetic number, because the mean of its divisors is an integer number (24750).

2126454 is an apocalyptic number.

126454 is a deficient number, since it is larger than the sum of its proper divisors (71546).

126454 is a wasteful number, since it uses less digits than its factorization.

126454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2774.

The product of its digits is 960, while the sum is 22.

The square root of 126454 is about 355.6037120166. The cubic root of 126454 is about 50.1931198012.

The spelling of 126454 in words is "one hundred twenty-six thousand, four hundred fifty-four".

Divisors: 1 2 23 46 2749 5498 63227 126454