Search a number
-
+
47400671 is a prime number
BaseRepresentation
bin1011010011010…
…0011011011111
310022012012111102
42310310123133
544113310141
64411543315
71113620243
oct264643337
9108165442
1047400671
112483590a
1213a5ab3b
139a88246
14641c423
15426499b
hex2d346df

47400671 has 2 divisors, whose sum is σ = 47400672. Its totient is φ = 47400670.

The previous prime is 47400653. The next prime is 47400673. The reversal of 47400671 is 17600474.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 47400671 - 218 = 47138527 is a prime.

It is a super-2 number, since 2×474006712 = 4493647222500482, which contains 22 as substring.

Together with 47400673, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47400673) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23700335 + 23700336.

It is an arithmetic number, because the mean of its divisors is an integer number (23700336).

Almost surely, 247400671 is an apocalyptic number.

47400671 is a deficient number, since it is larger than the sum of its proper divisors (1).

47400671 is an equidigital number, since it uses as much as digits as its factorization.

47400671 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4704, while the sum is 29.

The square root of 47400671 is about 6884.8145218299. The cubic root of 47400671 is about 361.9052054833.

The spelling of 47400671 in words is "forty-seven million, four hundred thousand, six hundred seventy-one".