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126030553 = 11191973061
BaseRepresentation
bin1111000001100…
…01001011011001
322210011000102021
413200301023121
5224230434203
620301134441
73060146005
oct740611331
9283130367
10126030553
1165160690
123625a421
1320158abc
1412a49705
15b0e75bd
hex78312d9

126030553 has 16 divisors (see below), whose sum is σ = 145506240. Its totient is φ = 107956800.

The previous prime is 126030521. The next prime is 126030557. The reversal of 126030553 is 355030621.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 126030553 - 25 = 126030521 is a prime.

It is not an unprimeable number, because it can be changed into a prime (126030557) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 39643 + ... + 42703.

It is an arithmetic number, because the mean of its divisors is an integer number (9094140).

Almost surely, 2126030553 is an apocalyptic number.

It is an amenable number.

126030553 is a deficient number, since it is larger than the sum of its proper divisors (19475687).

126030553 is a wasteful number, since it uses less digits than its factorization.

126030553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3288.

The product of its (nonzero) digits is 2700, while the sum is 25.

The square root of 126030553 is about 11226.3330166177. Note that the first 3 decimals coincide. The cubic root of 126030553 is about 501.3703117274.

It can be divided in two parts, 1260 and 30553, that added together give a palindrome (31813).

The spelling of 126030553 in words is "one hundred twenty-six million, thirty thousand, five hundred fifty-three".

Divisors: 1 11 19 197 209 2167 3061 3743 33671 41173 58159 603017 639749 6633187 11457323 126030553