Search a number
-
+
47108972 = 2217692779
BaseRepresentation
bin1011001110110…
…1001101101100
310021122101100202
42303231031230
544024441342
64401413032
71111263641
oct263551554
9107571322
1047108972
1124656739
121393a178
1399b5541
146383dc8
154208332
hex2ced36c

47108972 has 12 divisors (see below), whose sum is σ = 87290280. Its totient is φ = 22168896.

The previous prime is 47108969. The next prime is 47108977. The reversal of 47108972 is 27980174.

It is a super-3 number, since 3×471089723 (a number of 24 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (47108977) 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, 346322 + ... + 346457.

It is an arithmetic number, because the mean of its divisors is an integer number (7274190).

Almost surely, 247108972 is an apocalyptic number.

It is an amenable number.

47108972 is a deficient number, since it is larger than the sum of its proper divisors (40181308).

47108972 is a wasteful number, since it uses less digits than its factorization.

47108972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 692800 (or 692798 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 38.

The square root of 47108972 is about 6863.5975989273. The cubic root of 47108972 is about 361.1613012439.

The spelling of 47108972 in words is "forty-seven million, one hundred eight thousand, nine hundred seventy-two".

Divisors: 1 2 4 17 34 68 692779 1385558 2771116 11777243 23554486 47108972