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16448125 = 5426317
BaseRepresentation
bin111110101111…
…101001111101
31010221122120211
4332233221331
513202320000
61344312421
7256543501
oct76575175
933848524
1016448125
1193147a1
125612711
13353b825
142282301
15169d7ba
hexfafa7d

16448125 has 10 divisors (see below), whose sum is σ = 20554358. Its totient is φ = 13158000.

The previous prime is 16448123. The next prime is 16448137. The reversal of 16448125 is 52184461.

It can be written as a sum of positive squares in 5 ways, for example, as 5299204 + 11148921 = 2302^2 + 3339^2 .

It is not a de Polignac number, because 16448125 - 21 = 16448123 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 (16448123) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 12534 + ... + 13783.

Almost surely, 216448125 is an apocalyptic number.

It is an amenable number.

16448125 is a deficient number, since it is larger than the sum of its proper divisors (4106233).

16448125 is an frugal number, since it uses more digits than its factorization.

16448125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26337 (or 26322 counting only the distinct ones).

The product of its digits is 7680, while the sum is 31.

The square root of 16448125 is about 4055.6288045135. The cubic root of 16448125 is about 254.3150914263.

The spelling of 16448125 in words is "sixteen million, four hundred forty-eight thousand, one hundred twenty-five".

Divisors: 1 5 25 125 625 26317 131585 657925 3289625 16448125