Search a number
-
+
126711936 = 2732138461
BaseRepresentation
bin1111000110101…
…11100010000000
322211102122002200
413203113202000
5224414240221
620323513200
73066014361
oct743274200
9284378080
10126711936
116558660a
1236528800
1320336ca0
1412b85b68
15b1ce426
hex78d7880

126711936 has 96 divisors (see below), whose sum is σ = 392721420. Its totient is φ = 38983680.

The previous prime is 126711929. The next prime is 126711943. The reversal of 126711936 is 639117621.

It is an interprime number because it is at equal distance from previous prime (126711929) and next prime (126711943).

It can be written as a sum of positive squares in 2 ways, for example, as 126697536 + 14400 = 11256^2 + 120^2 .

It is a tau number, because it is divible by the number of its divisors (96).

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

It is a self number, because there is not a number n which added to its sum of digits gives 126711936.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10746 + ... + 19206.

Almost surely, 2126711936 is an apocalyptic number.

126711936 is a gapful number since it is divisible by the number (16) 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 126711936, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (196360710).

126711936 is an abundant number, since it is smaller than the sum of its proper divisors (266009484).

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

126711936 is a wasteful number, since it uses less digits than its factorization.

126711936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8494 (or 8479 counting only the distinct ones).

The product of its digits is 13608, while the sum is 36.

The square root of 126711936 is about 11256.6396406743. The cubic root of 126711936 is about 502.2722395459.

It can be divided in two parts, 1267 and 11936, that added together give a triangular number (13203 = T162).

The spelling of 126711936 in words is "one hundred twenty-six million, seven hundred eleven thousand, nine hundred thirty-six".

Divisors: 1 2 3 4 6 8 9 12 13 16 18 24 26 32 36 39 48 52 64 72 78 96 104 117 128 144 156 192 208 234 288 312 384 416 468 576 624 832 936 1152 1248 1664 1872 2496 3744 4992 7488 8461 14976 16922 25383 33844 50766 67688 76149 101532 109993 135376 152298 203064 219986 270752 304596 329979 406128 439972 541504 609192 659958 812256 879944 989937 1083008 1218384 1319916 1624512 1759888 1979874 2436768 2639832 3249024 3519776 3959748 4873536 5279664 7039552 7919496 9747072 10559328 14079104 15838992 21118656 31677984 42237312 63355968 126711936