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47002133 = 232043571
BaseRepresentation
bin1011001101001…
…1001000010101
310021102221210202
42303103020111
544013032013
64355230245
71110340313
oct263231025
9107387722
1047002133
1124593442
12138a8385
139978a19
1463570b3
1541d6858
hex2cd3215

47002133 has 4 divisors (see below), whose sum is σ = 49045728. Its totient is φ = 44958540.

The previous prime is 47002129. The next prime is 47002141. The reversal of 47002133 is 33120074.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 47002133 - 22 = 47002129 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47002183) 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, 1021763 + ... + 1021808.

It is an arithmetic number, because the mean of its divisors is an integer number (12261432).

Almost surely, 247002133 is an apocalyptic number.

It is an amenable number.

47002133 is a deficient number, since it is larger than the sum of its proper divisors (2043595).

47002133 is a wasteful number, since it uses less digits than its factorization.

47002133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2043594.

The product of its (nonzero) digits is 504, while the sum is 20.

The square root of 47002133 is about 6855.8101636495. The cubic root of 47002133 is about 360.8880672405. Note that the first 3 decimals are identical.

The spelling of 47002133 in words is "forty-seven million, two thousand, one hundred thirty-three".

Divisors: 1 23 2043571 47002133