[go: up one dir, main page]

Search a number
-
+
4161556 = 227148627
BaseRepresentation
bin1111111000000000010100
321211102120201
433320000110
52031132211
6225110244
750241550
oct17700024
97742521
104161556
112392703
121488384
13b29279
147a4860
155730c1
hex3f8014

4161556 has 12 divisors (see below), whose sum is σ = 8323168. Its totient is φ = 1783512.

The previous prime is 4161539. The next prime is 4161557. The reversal of 4161556 is 6551614.

4161556 is an admirable number.

It is a super-2 number, since 2×41615562 = 34637096682272, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (28), and also a Moran number because the ratio is a prime number: 148627 = 4161556 / (4 + 1 + 6 + 1 + 5 + 5 + 6).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4161557) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74286 + ... + 74341.

Almost surely, 24161556 is an apocalyptic number.

It is an amenable number.

4161556 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

4161556 is a wasteful number, since it uses less digits than its factorization.

4161556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148638 (or 148636 counting only the distinct ones).

The product of its digits is 3600, while the sum is 28.

The square root of 4161556 is about 2039.9892156578. The cubic root of 4161556 is about 160.8490799250.

The spelling of 4161556 in words is "four million, one hundred sixty-one thousand, five hundred fifty-six".

Divisors: 1 2 4 7 14 28 148627 297254 594508 1040389 2080778 4161556