Search a number
-
+
47790846 = 2322655047
BaseRepresentation
bin1011011001001…
…1101011111110
310022221000201100
42312103223332
544213301341
64424153530
71120133625
oct266235376
9108830640
1047790846
1124a81a74
12140088a6
139b93a0c
1464c06bc
1542e03b6
hex2d93afe

47790846 has 12 divisors (see below), whose sum is σ = 103546872. Its totient is φ = 15930276.

The previous prime is 47790839. The next prime is 47790887. The reversal of 47790846 is 64809774.

It is a super-2 number, since 2×477908462 = 4567929922791432, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1327506 + ... + 1327541.

It is an arithmetic number, because the mean of its divisors is an integer number (8628906).

Almost surely, 247790846 is an apocalyptic number.

47790846 is an abundant number, since it is smaller than the sum of its proper divisors (55756026).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

47790846 is a wasteful number, since it uses less digits than its factorization.

47790846 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2655055 (or 2655052 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 45.

The square root of 47790846 is about 6913.0923615991. The cubic root of 47790846 is about 362.8954916232.

The spelling of 47790846 in words is "forty-seven million, seven hundred ninety thousand, eight hundred forty-six".

Divisors: 1 2 3 6 9 18 2655047 5310094 7965141 15930282 23895423 47790846