47100381 has 8 divisors (see below), whose sum is σ = 62889120. Its totient is φ = 31355952.

The previous prime is 47100367. The next prime is 47100419. The reversal of 47100381 is 18300174.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 47100381 - 2¹⁰ = 47099357 is a prime.

It is a super-2 number, since 2×47100381² = 4436891780690322, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47100301) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8511 + ... + 12908.

It is an arithmetic number, because the mean of its divisors is an integer number (7861140).

Almost surely, 2^47100381 is an apocalyptic number.

It is an amenable number.

47100381 is a deficient number, since it is larger than the sum of its proper divisors (15788739).

47100381 is a wasteful number, since it uses less digits than its factorization.

47100381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22155.

The product of its (nonzero) digits is 672, while the sum is 24.

The square root of 47100381 is about 6862.9717324203. The cubic root of 47100381 is about 361.1393455863.

The spelling of 47100381 in words is "forty-seven million, one hundred thousand, three hundred eighty-one".