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47071129 = 714394673
BaseRepresentation
bin1011001110001…
…1111110011001
310021120110110011
42303203332121
544022234004
64400521521
71111045420
oct263437631
9107513404
1047071129
1124630266
12139202a1
1399a1251
1463742b7
1541ec004
hex2ce3f99

47071129 has 8 divisors (see below), whose sum is σ = 53844480. Its totient is φ = 40310016.

The previous prime is 47071097. The next prime is 47071139. The reversal of 47071129 is 92117074.

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

It is a cyclic number.

It is not a de Polignac number, because 47071129 - 25 = 47071097 is a prime.

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 47071129.

It is not an unprimeable number, because it can be changed into a prime (47071139) 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, 7737 + ... + 12409.

It is an arithmetic number, because the mean of its divisors is an integer number (6730560).

Almost surely, 247071129 is an apocalyptic number.

It is an amenable number.

47071129 is a deficient number, since it is larger than the sum of its proper divisors (6773351).

47071129 is a wasteful number, since it uses less digits than its factorization.

47071129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6119.

The product of its (nonzero) digits is 3528, while the sum is 31.

The square root of 47071129 is about 6860.8402546627. The cubic root of 47071129 is about 361.0645674520.

The spelling of 47071129 in words is "forty-seven million, seventy-one thousand, one hundred twenty-nine".

Divisors: 1 7 1439 4673 10073 32711 6724447 47071129