Search a number
-
+
47748406 = 2198315139
BaseRepresentation
bin1011011000100…
…1010100110110
310022211212111111
42312021110312
544210422111
64423225234
71116566116
oct266112466
9108755444
1047748406
1124a530a2
1213ba821a
139b7a5c4
1464ad046
1542d2a21
hex2d89536

47748406 has 16 divisors (see below), whose sum is σ = 76305600. Its totient is φ = 22343688.

The previous prime is 47748403. The next prime is 47748419. The reversal of 47748406 is 60484774.

47748406 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47748403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4416 + ... + 10723.

It is an arithmetic number, because the mean of its divisors is an integer number (4769100).

Almost surely, 247748406 is an apocalyptic number.

47748406 is a deficient number, since it is larger than the sum of its proper divisors (28557194).

47748406 is a wasteful number, since it uses less digits than its factorization.

47748406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15243.

The product of its (nonzero) digits is 150528, while the sum is 40.

The square root of 47748406 is about 6910.0221417880. The cubic root of 47748406 is about 362.7880383682.

The spelling of 47748406 in words is "forty-seven million, seven hundred forty-eight thousand, four hundred six".

Divisors: 1 2 19 38 83 166 1577 3154 15139 30278 287641 575282 1256537 2513074 23874203 47748406