Search a number
-
+
126047216 = 2419414629
BaseRepresentation
bin1111000001101…
…01001111110000
322210011212021102
413200311033300
5224232002331
620301343532
73060245411
oct740651760
9283155242
10126047216
1165172159
1236267ba8
1320163569
1412a51808
15b0ec4cb
hex78353f0

126047216 has 20 divisors (see below), whose sum is σ = 257070600. Its totient is φ = 59706432.

The previous prime is 126047189. The next prime is 126047219. The reversal of 126047216 is 612740621.

It is a super-2 number, since 2×1260472162 = 31775801322701312, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126047219) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 207011 + ... + 207618.

It is an arithmetic number, because the mean of its divisors is an integer number (12853530).

Almost surely, 2126047216 is an apocalyptic number.

126047216 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

126047216 is an abundant number, since it is smaller than the sum of its proper divisors (131023384).

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

126047216 is a wasteful number, since it uses less digits than its factorization.

126047216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 414656 (or 414650 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 126047216 is about 11227.0751311283. The cubic root of 126047216 is about 501.3924068071.

Adding to 126047216 its reverse (612740621), we get a palindrome (738787837).

The spelling of 126047216 in words is "one hundred twenty-six million, forty-seven thousand, two hundred sixteen".

Divisors: 1 2 4 8 16 19 38 76 152 304 414629 829258 1658516 3317032 6634064 7877951 15755902 31511804 63023608 126047216