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47073331 = 352913339
BaseRepresentation
bin1011001110010…
…0100000110011
310021120120110201
42303210200303
544022321311
64400540031
71111055014
oct263444063
9107516421
1047073331
1124631988
1213921617
1399a2256
14637500b
1541ec9c1
hex2ce4833

47073331 has 4 divisors (see below), whose sum is σ = 47090200. Its totient is φ = 47056464.

The previous prime is 47073319. The next prime is 47073343. The reversal of 47073331 is 13337074.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13337074 = 26668537.

It is an interprime number because it is at equal distance from previous prime (47073319) and next prime (47073343).

It is a cyclic number.

It is not a de Polignac number, because 47073331 - 29 = 47072819 is a prime.

It is a super-2 number, since 2×470733312 = 4431796982871122, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 47073331.

It is not an unprimeable number, because it can be changed into a prime (47073311) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3141 + ... + 10198.

It is an arithmetic number, because the mean of its divisors is an integer number (11772550).

Almost surely, 247073331 is an apocalyptic number.

47073331 is a deficient number, since it is larger than the sum of its proper divisors (16869).

47073331 is a wasteful number, since it uses less digits than its factorization.

47073331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16868.

The product of its (nonzero) digits is 5292, while the sum is 28.

The square root of 47073331 is about 6861.0007287567. Note that the first 3 decimals coincide. The cubic root of 47073331 is about 361.0701975966.

The spelling of 47073331 in words is "forty-seven million, seventy-three thousand, three hundred thirty-one".

Divisors: 1 3529 13339 47073331