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4213161 = 331767137
BaseRepresentation
bin10000000100100110101001
321221001101000
4100010212221
52034310121
6230145213
750545161
oct20044651
97831330
104213161
112418457
1214b2209
13b468c4
147b95a1
15583526
hex4049a9

4213161 has 32 divisors (see below), whose sum is σ = 6756480. Its totient is φ = 2585088.

The previous prime is 4213159. The next prime is 4213189. The reversal of 4213161 is 1613124.

It is a happy number.

It is not a de Polignac number, because 4213161 - 21 = 4213159 is a prime.

It is a super-2 number, since 2×42131612 = 35501451223842, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4213141) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 30685 + ... + 30821.

It is an arithmetic number, because the mean of its divisors is an integer number (211140).

Almost surely, 24213161 is an apocalyptic number.

It is an amenable number.

4213161 is a deficient number, since it is larger than the sum of its proper divisors (2543319).

4213161 is a wasteful number, since it uses less digits than its factorization.

4213161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230 (or 224 counting only the distinct ones).

The product of its digits is 144, while the sum is 18.

The square root of 4213161 is about 2052.5985969010. The cubic root of 4213161 is about 161.5112153419.

Adding to 4213161 its reverse (1613124), we get a palindrome (5826285).

It can be divided in two parts, 42 and 13161, that added together give a triangular number (13203 = T162).

The spelling of 4213161 in words is "four million, two hundred thirteen thousand, one hundred sixty-one".

Divisors: 1 3 9 17 27 51 67 137 153 201 411 459 603 1139 1233 1809 2329 3417 3699 6987 9179 10251 20961 27537 30753 62883 82611 156043 247833 468129 1404387 4213161