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126874216 = 2372265611
BaseRepresentation
bin1111000111111…
…11001001101000
322211201212201001
413203333021220
5224434433331
620331204344
73100261450
oct743771150
9284655631
10126874216
1165687527
12365a66b4
1320392b01
1412bc8d60
15b212561
hex78ff268

126874216 has 16 divisors (see below), whose sum is σ = 271873440. Its totient is φ = 54374640.

The previous prime is 126874211. The next prime is 126874259. The reversal of 126874216 is 612478621.

It is a super-2 number, since 2×1268742162 = 32194133371229312, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (126874211) 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, 1132750 + ... + 1132861.

It is an arithmetic number, because the mean of its divisors is an integer number (16992090).

Almost surely, 2126874216 is an apocalyptic number.

It is an amenable number.

126874216 is an abundant number, since it is smaller than the sum of its proper divisors (144999224).

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

126874216 is a wasteful number, since it uses less digits than its factorization.

126874216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2265624 (or 2265620 counting only the distinct ones).

The product of its digits is 32256, while the sum is 37.

The square root of 126874216 is about 11263.8455245089. The cubic root of 126874216 is about 502.4865681252.

The spelling of 126874216 in words is "one hundred twenty-six million, eight hundred seventy-four thousand, two hundred sixteen".

Divisors: 1 2 4 7 8 14 28 56 2265611 4531222 9062444 15859277 18124888 31718554 63437108 126874216