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47071341 = 331991757
BaseRepresentation
bin1011001110010…
…0000001101101
310021120110202000
42303210001231
544022240331
64400522513
71111046142
oct263440155
9107513660
1047071341
1124630439
1213920439
1399a1385
1463743c9
1541ec0e6
hex2ce406d

47071341 has 16 divisors (see below), whose sum is σ = 73406400. Its totient is φ = 29728944.

The previous prime is 47071331. The next prime is 47071373. The reversal of 47071341 is 14317074.

It is not a de Polignac number, because 47071341 - 217 = 46940269 is a prime.

It is a super-2 number, since 2×470713412 = 4431422287076562, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47071331) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45366 + ... + 46391.

It is an arithmetic number, because the mean of its divisors is an integer number (4587900).

Almost surely, 247071341 is an apocalyptic number.

It is an amenable number.

47071341 is a deficient number, since it is larger than the sum of its proper divisors (26335059).

47071341 is a wasteful number, since it uses less digits than its factorization.

47071341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91785 (or 91779 counting only the distinct ones).

The product of its (nonzero) digits is 2352, while the sum is 27.

The square root of 47071341 is about 6860.8557046479. The cubic root of 47071341 is about 361.0651095081.

The spelling of 47071341 in words is "forty-seven million, seventy-one thousand, three hundred forty-one".

Divisors: 1 3 9 19 27 57 171 513 91757 275271 825813 1743383 2477439 5230149 15690447 47071341