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126307968 = 273973391
BaseRepresentation
bin1111000011101…
…00111010000000
322210200002221220
413201310322000
5224313323333
620311115040
73062412543
oct741647200
9283602856
10126307968
1165330056
1236372a80
1320225157
1412abc85a
15b14e8b3
hex7874e80

126307968 has 64 divisors (see below), whose sum is σ = 339064320. Its totient is φ = 41656320.

The previous prime is 126307939. The next prime is 126307997. The reversal of 126307968 is 869703621.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (126307939) and next prime (126307997).

It is a tau number, because it is divible by the number of its divisors (64).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35553 + ... + 38943.

It is an arithmetic number, because the mean of its divisors is an integer number (5297880).

Almost surely, 2126307968 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 126307968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (169532160).

126307968 is an abundant number, since it is smaller than the sum of its proper divisors (212756352).

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

126307968 is an equidigital number, since it uses as much as digits as its factorization.

126307968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3505 (or 3493 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 42.

The square root of 126307968 is about 11238.6817732330. The cubic root of 126307968 is about 501.7379096745.

The spelling of 126307968 in words is "one hundred twenty-six million, three hundred seven thousand, nine hundred sixty-eight".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 64 96 97 128 192 194 291 384 388 582 776 1164 1552 2328 3104 3391 4656 6208 6782 9312 10173 12416 13564 18624 20346 27128 37248 40692 54256 81384 108512 162768 217024 325536 328927 434048 651072 657854 986781 1302144 1315708 1973562 2631416 3947124 5262832 7894248 10525664 15788496 21051328 31576992 42102656 63153984 126307968