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126345168 = 2432877397
BaseRepresentation
bin1111000011111…
…01111111010000
322210201222222200
413201331333100
5224321021133
620312003200
73062626155
oct741757720
9283658880
10126345168
1165355aa4
1236390500
1320239071
1412acc22c
15b15a913
hex787dfd0

126345168 has 30 divisors (see below), whose sum is σ = 353591394. Its totient is φ = 42115008.

The previous prime is 126345161. The next prime is 126345179. The reversal of 126345168 is 861543621.

It is a happy number.

126345168 is a `hidden beast` number, since 1 + 2 + 634 + 5 + 16 + 8 = 666.

It can be written as a sum of positive squares in only one way, i.e., 125619264 + 725904 = 11208^2 + 852^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126345161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 438555 + ... + 438842.

Almost surely, 2126345168 is an apocalyptic number.

126345168 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

126345168 is an abundant number, since it is smaller than the sum of its proper divisors (227246226).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

126345168 is a wasteful number, since it uses less digits than its factorization.

126345168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 877411 (or 877402 counting only the distinct ones).

The product of its digits is 34560, while the sum is 36.

The square root of 126345168 is about 11240.3366497628. The cubic root of 126345168 is about 501.7871618277.

Adding to 126345168 its reverse (861543621), we get a palindrome (987888789).

The spelling of 126345168 in words is "one hundred twenty-six million, three hundred forty-five thousand, one hundred sixty-eight".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 36 48 72 144 877397 1754794 2632191 3509588 5264382 7019176 7896573 10528764 14038352 15793146 21057528 31586292 42115056 63172584 126345168