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881214047 = 7991127031
BaseRepresentation
bin110100100001100…
…100001001011111
32021102011022102022
4310201210021133
53301042322142
6223235250355
730560124110
oct6441441137
92242138368
10881214047
1141247117a
122071499bb
13110749a3c
148506a207
155256a6d2
hex3486425f

881214047 has 8 divisors (see below), whose sum is σ = 1008125952. Its totient is φ = 754558200.

The previous prime is 881214043. The next prime is 881214049. The reversal of 881214047 is 740412188.

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 881214047 - 22 = 881214043 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 881213998 and 881214016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (881214041) 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, 56579 + ... + 70452.

It is an arithmetic number, because the mean of its divisors is an integer number (126015744).

Almost surely, 2881214047 is an apocalyptic number.

881214047 is a deficient number, since it is larger than the sum of its proper divisors (126911905).

881214047 is a wasteful number, since it uses less digits than its factorization.

881214047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128029.

The product of its (nonzero) digits is 14336, while the sum is 35.

The square root of 881214047 is about 29685.2496536580. The cubic root of 881214047 is about 958.7244514054.

The spelling of 881214047 in words is "eight hundred eighty-one million, two hundred fourteen thousand, forty-seven".

Divisors: 1 7 991 6937 127031 889217 125887721 881214047