Search a number
-
+
127947292 = 221119314937
BaseRepresentation
bin1111010000001…
…01001000011100
322220202101200121
413220011020130
5230223303132
620410204324
73112351114
oct750051034
9286671617
10127947292
116624a770
1236a236a4
132067a375
1412dc8044
15b375497
hex7a0521c

127947292 has 48 divisors (see below), whose sum is σ = 265466880. Its totient is φ = 53308800.

The previous prime is 127947289. The next prime is 127947299. The reversal of 127947292 is 292749721.

It is a Smith number, since the sum of its digits (43) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (127947299) 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 15 ways as a sum of consecutive naturals, for example, 23448 + ... + 28384.

It is an arithmetic number, because the mean of its divisors is an integer number (5530560).

Almost surely, 2127947292 is an apocalyptic number.

It is an amenable number.

127947292 is an abundant number, since it is smaller than the sum of its proper divisors (137519588).

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

127947292 is a wasteful number, since it uses less digits than its factorization.

127947292 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5002 (or 5000 counting only the distinct ones).

The product of its digits is 127008, while the sum is 43.

The square root of 127947292 is about 11311.3788726220. The cubic root of 127947292 is about 503.8992355455.

The spelling of 127947292 in words is "one hundred twenty-seven million, nine hundred forty-seven thousand, two hundred ninety-two".

Divisors: 1 2 4 11 19 22 31 38 44 62 76 124 209 341 418 589 682 836 1178 1364 2356 4937 6479 9874 12958 19748 25916 54307 93803 108614 153047 187606 217228 306094 375212 612188 1031833 1683517 2063666 2907893 3367034 4127332 5815786 6734068 11631572 31986823 63973646 127947292