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126924930 = 232511415359
BaseRepresentation
bin1111001000010…
…11100010000010
322211211110021100
413210023202002
5224443044210
620332235230
73100562346
oct744134202
9284743240
10126924930
1165711640
123660bb16
13203acc12
1412bdd626
15b2225c0
hex790b882

126924930 has 192 divisors, whose sum is σ = 382112640. Its totient is φ = 28953600.

The previous prime is 126924913. The next prime is 126924937. The reversal of 126924930 is 39429621.

It is a super-2 number, since 2×1269249302 = 32219875711009800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (126924937) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2151241 + ... + 2151299.

It is an arithmetic number, because the mean of its divisors is an integer number (1990170).

Almost surely, 2126924930 is an apocalyptic number.

126924930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 126924930, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (191056320).

126924930 is an abundant number, since it is smaller than the sum of its proper divisors (255187710).

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

126924930 is a wasteful number, since it uses less digits than its factorization.

126924930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177 (or 174 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 36.

The square root of 126924930 is about 11266.0964845860. The cubic root of 126924930 is about 502.5535103037.

The spelling of 126924930 in words is "one hundred twenty-six million, nine hundred twenty-four thousand, nine hundred thirty".