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127066072 = 23719307389
BaseRepresentation
bin1111001001011…
…01111111011000
322212002121212211
413210231333120
5230012103242
620335244504
73102021010
oct744557730
9285077784
10127066072
11657a8691
1236679734
132042c233
1412c38c40
15b24e317
hex792dfd8

127066072 has 64 divisors (see below), whose sum is σ = 288288000. Its totient is φ = 51290496.

The previous prime is 127066067. The next prime is 127066097. The reversal of 127066072 is 270660721.

It is a super-2 number, since 2×1270660722 = 32291573307018368, which contains 22 as substring.

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 15 ways as a sum of consecutive naturals, for example, 326454 + ... + 326842.

It is an arithmetic number, because the mean of its divisors is an integer number (4504500).

Almost surely, 2127066072 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 127066072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (144144000).

127066072 is an abundant number, since it is smaller than the sum of its proper divisors (161221928).

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

127066072 is a wasteful number, since it uses less digits than its factorization.

127066072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 728 (or 724 counting only the distinct ones).

The product of its (nonzero) digits is 7056, while the sum is 31.

The square root of 127066072 is about 11272.3587593724. The cubic root of 127066072 is about 502.7397230821.

The spelling of 127066072 in words is "one hundred twenty-seven million, sixty-six thousand, seventy-two".

Divisors: 1 2 4 7 8 14 19 28 38 56 76 133 152 266 307 389 532 614 778 1064 1228 1556 2149 2456 2723 3112 4298 5446 5833 7391 8596 10892 11666 14782 17192 21784 23332 29564 40831 46664 51737 59128 81662 103474 119423 163324 206948 238846 326648 413896 477692 835961 955384 1671922 2269037 3343844 4538074 6687688 9076148 15883259 18152296 31766518 63533036 127066072