Search a number
-
+
47473742 = 2196411949
BaseRepresentation
bin1011010100011…
…0010001001110
310022022220201202
42311012101032
544123124432
64413305502
71114343261
oct265062116
9108286652
1047473742
11248857a8
1213a95292
139ab2594
14643acd8
15427b462
hex2d4644e

47473742 has 16 divisors (see below), whose sum is σ = 75114000. Its totient is φ = 22440960.

The previous prime is 47473739. The next prime is 47473813. The reversal of 47473742 is 24737474.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a junction number, because it is equal to n+sod(n) for n = 47473696 and 47473705.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23384 + ... + 25332.

It is an arithmetic number, because the mean of its divisors is an integer number (4694625).

Almost surely, 247473742 is an apocalyptic number.

47473742 is a deficient number, since it is larger than the sum of its proper divisors (27640258).

47473742 is a wasteful number, since it uses less digits than its factorization.

47473742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2611.

The product of its digits is 131712, while the sum is 38.

The square root of 47473742 is about 6890.1191571699. The cubic root of 47473742 is about 362.0910762568.

The spelling of 47473742 in words is "forty-seven million, four hundred seventy-three thousand, seven hundred forty-two".

Divisors: 1 2 19 38 641 1282 1949 3898 12179 24358 37031 74062 1249309 2498618 23736871 47473742