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126984168 = 233210317123
BaseRepresentation
bin1111001000110…
…01111111101000
322211221110112100
413210121333220
5230001443133
620333413400
73101230143
oct744317750
9284843470
10126984168
11657520a3
123663a260
1320400b7c
1412c1705a
15b234e13
hex7919fe8

126984168 has 48 divisors (see below), whose sum is σ = 347274720. Its totient is φ = 41914656.

The previous prime is 126984167. The next prime is 126984197. The reversal of 126984168 is 861489621.

It is a super-2 number, since 2×1269841682 = 32249957845304448, which contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (126984161) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1146 + ... + 15977.

It is an arithmetic number, because the mean of its divisors is an integer number (7234890).

Almost surely, 2126984168 is an apocalyptic number.

126984168 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 126984168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (173637360).

126984168 is an abundant number, since it is smaller than the sum of its proper divisors (220290552).

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

126984168 is a wasteful number, since it uses less digits than its factorization.

126984168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17238 (or 17231 counting only the distinct ones).

The product of its digits is 165888, while the sum is 45.

The square root of 126984168 is about 11268.7252162789. The cubic root of 126984168 is about 502.6316815361.

It can be divided in two parts, 126984 and 168, that multiplied together give a palindrome (21333312).

The spelling of 126984168 in words is "one hundred twenty-six million, nine hundred eighty-four thousand, one hundred sixty-eight".

Divisors: 1 2 3 4 6 8 9 12 18 24 36 72 103 206 309 412 618 824 927 1236 1854 2472 3708 7416 17123 34246 51369 68492 102738 136984 154107 205476 308214 410952 616428 1232856 1763669 3527338 5291007 7054676 10582014 14109352 15873021 21164028 31746042 42328056 63492084 126984168