Search a number
-
+
47243156 = 2211810789
BaseRepresentation
bin1011010000110…
…1111110010100
310021220012102112
42310031332110
544043240111
64404330152
71112363102
oct264157624
9107805375
1047243156
1124738534
12139a3958
139a3163c
1463bac72
154232e8b
hex2d0df94

47243156 has 6 divisors (see below), whose sum is σ = 82675530. Its totient is φ = 23621576.

The previous prime is 47243143. The next prime is 47243167. The reversal of 47243156 is 65134274.

It can be written as a sum of positive squares in only one way, i.e., 44890000 + 2353156 = 6700^2 + 1534^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5905391 + ... + 5905398.

It is an arithmetic number, because the mean of its divisors is an integer number (13779255).

Almost surely, 247243156 is an apocalyptic number.

It is an amenable number.

47243156 is a deficient number, since it is larger than the sum of its proper divisors (35432374).

47243156 is a wasteful number, since it uses less digits than its factorization.

47243156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11810793 (or 11810791 counting only the distinct ones).

The product of its digits is 20160, while the sum is 32.

The square root of 47243156 is about 6873.3656966584. The cubic root of 47243156 is about 361.5038837425.

The spelling of 47243156 in words is "forty-seven million, two hundred forty-three thousand, one hundred fifty-six".

Divisors: 1 2 4 11810789 23621578 47243156