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16871076 = 2232468641
BaseRepresentation
bin100000001011…
…0111010100100
31011202010202200
41000112322210
513304333301
61401334500
7263254545
oct100267244
934663680
1016871076
119583542
125797430
1336591b1
1423524cc
151733c86
hex1016ea4

16871076 has 18 divisors (see below), whose sum is σ = 42646422. Its totient is φ = 5623680.

The previous prime is 16871053. The next prime is 16871077. The reversal of 16871076 is 67017861.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 16646400 + 224676 = 4080^2 + 474^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 468641 = 16871076 / (1 + 6 + 8 + 7 + 1 + 0 + 7 + 6).

It is a self number, because there is not a number n which added to its sum of digits gives 16871076.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16871077) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 234285 + ... + 234356.

Almost surely, 216871076 is an apocalyptic number.

It is an amenable number.

16871076 is an abundant number, since it is smaller than the sum of its proper divisors (25775346).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16871076 is a wasteful number, since it uses less digits than its factorization.

16871076 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 468651 (or 468646 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 36.

The square root of 16871076 is about 4107.4415394501. The cubic root of 16871076 is about 256.4765091399.

The spelling of 16871076 in words is "sixteen million, eight hundred seventy-one thousand, seventy-six".

Divisors: 1 2 3 4 6 9 12 18 36 468641 937282 1405923 1874564 2811846 4217769 5623692 8435538 16871076