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126930253 = 349367991
BaseRepresentation
bin1111001000011…
…00110101001101
322211211201120111
413210030311031
5224443232003
620332320021
73100614022
oct744146515
9284751514
10126930253
116571563a
1236613011
13203b2478
1412c01549
15b223e6d
hex790cd4d

126930253 has 8 divisors (see below), whose sum is σ = 127769600. Its totient is φ = 126094320.

The previous prime is 126930247. The next prime is 126930257. The reversal of 126930253 is 352039621.

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

It is a cyclic number.

It is not a de Polignac number, because 126930253 - 29 = 126929741 is a prime.

It is a super-2 number, since 2×1269302532 = 32222578253288018, 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 (126930257) 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, 127588 + ... + 128578.

It is an arithmetic number, because the mean of its divisors is an integer number (15971200).

Almost surely, 2126930253 is an apocalyptic number.

It is an amenable number.

126930253 is a deficient number, since it is larger than the sum of its proper divisors (839347).

126930253 is an equidigital number, since it uses as much as digits as its factorization.

126930253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1707.

The product of its (nonzero) digits is 9720, while the sum is 31.

The square root of 126930253 is about 11266.3327218754. The cubic root of 126930253 is about 502.5605355979.

Adding to 126930253 its reverse (352039621), we get a palindrome (478969874).

The spelling of 126930253 in words is "one hundred twenty-six million, nine hundred thirty thousand, two hundred fifty-three".

Divisors: 1 349 367 991 128083 345859 363697 126930253