Search a number
-
+
126908532 = 2234391693
BaseRepresentation
bin1111001000001…
…11100001110100
322211210121210000
413210013201310
5224442033112
620332031300
73100463502
oct744074164
9284717700
10126908532
1165700293
1236602530
13203a560a
1412bd7672
15b21c7dc
hex7907874

126908532 has 30 divisors (see below), whose sum is σ = 331764818. Its totient is φ = 42302736.

The previous prime is 126908531. The next prime is 126908567. The reversal of 126908532 is 235809621.

It can be written as a sum of positive squares in only one way, i.e., 75585636 + 51322896 = 8694^2 + 7164^2 .

It is a super-2 number, since 2×1269085322 = 32211550988790048, which contains 22 as substring.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

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 (126908531) 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 9 ways as a sum of consecutive naturals, for example, 195523 + ... + 196170.

Almost surely, 2126908532 is an apocalyptic number.

126908532 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

126908532 is an abundant number, since it is smaller than the sum of its proper divisors (204856286).

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

126908532 is a wasteful number, since it uses less digits than its factorization.

126908532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 391709 (or 391698 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The square root of 126908532 is about 11265.3687023550. The cubic root of 126908532 is about 502.5318669922.

The spelling of 126908532 in words is "one hundred twenty-six million, nine hundred eight thousand, five hundred thirty-two".

Divisors: 1 2 3 4 6 9 12 18 27 36 54 81 108 162 324 391693 783386 1175079 1566772 2350158 3525237 4700316 7050474 10575711 14100948 21151422 31727133 42302844 63454266 126908532