Search a number
-
+
47819872 = 251494371
BaseRepresentation
bin1011011001101…
…0110001100000
310022222111112101
42312122301200
544220213442
64424540144
71120314352
oct266326140
9108874471
1047819872
1124aa1861
1214021654
139ba3ca9
1464cb0d2
1542e8cb7
hex2d9ac60

47819872 has 12 divisors (see below), whose sum is σ = 94145436. Its totient is φ = 23909920.

The previous prime is 47819867. The next prime is 47819909. The reversal of 47819872 is 27891874.

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, 747154 + ... + 747217.

It is an arithmetic number, because the mean of its divisors is an integer number (7845453).

Almost surely, 247819872 is an apocalyptic number.

It is an amenable number.

47819872 is a deficient number, since it is larger than the sum of its proper divisors (46325564).

47819872 is a wasteful number, since it uses less digits than its factorization.

47819872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1494381 (or 1494373 counting only the distinct ones).

The product of its digits is 225792, while the sum is 46.

The square root of 47819872 is about 6915.1913928683. The cubic root of 47819872 is about 362.9689455280.

The spelling of 47819872 in words is "forty-seven million, eight hundred nineteen thousand, eight hundred seventy-two".

Divisors: 1 2 4 8 16 32 1494371 2988742 5977484 11954968 23909936 47819872