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126701430 = 2354223381
BaseRepresentation
bin1111000110101…
…00111101110110
322211102002200120
413203110331312
5224413421210
620323352410
73065641632
oct743247566
9284362616
10126701430
1165579729
1236522706
132033227b
1412b81dc2
15b1cb270
hex78d4f76

126701430 has 16 divisors (see below), whose sum is σ = 304083504. Its totient is φ = 33787040.

The previous prime is 126701401. The next prime is 126701447. The reversal of 126701430 is 34107621.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 126701430.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2111661 + ... + 2111720.

It is an arithmetic number, because the mean of its divisors is an integer number (19005219).

Almost surely, 2126701430 is an apocalyptic number.

126701430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

126701430 is an abundant number, since it is smaller than the sum of its proper divisors (177382074).

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

126701430 is a wasteful number, since it uses less digits than its factorization.

126701430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4223391.

The product of its (nonzero) digits is 1008, while the sum is 24.

The square root of 126701430 is about 11256.1729730846. The cubic root of 126701430 is about 502.2583576177.

The spelling of 126701430 in words is "one hundred twenty-six million, seven hundred one thousand, four hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 4223381 8446762 12670143 21116905 25340286 42233810 63350715 126701430