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2661102 = 2321931251
BaseRepresentation
bin1010001001101011101110
312000012100100
422021223232
51140123402
6133011530
731422213
oct12115356
95005310
102661102
111558364
12a83ba6
13722322
144d3b0a
1537871c
hex289aee

2661102 has 48 divisors (see below), whose sum is σ = 6289920. Its totient is φ = 810000.

The previous prime is 2661097. The next prime is 2661103. The reversal of 2661102 is 2011662.

It is a happy number.

2661102 is a `hidden beast` number, since 2 + 661 + 1 + 0 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2661103) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10477 + ... + 10727.

It is an arithmetic number, because the mean of its divisors is an integer number (131040).

22661102 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2661102, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3144960).

2661102 is an abundant number, since it is smaller than the sum of its proper divisors (3628818).

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

2661102 is a wasteful number, since it uses less digits than its factorization.

2661102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 309 (or 306 counting only the distinct ones).

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

The square root of 2661102 is about 1631.2884478228. The cubic root of 2661102 is about 138.5757295883.

Adding to 2661102 its reverse (2011662), we get a palindrome (4672764).

The spelling of 2661102 in words is "two million, six hundred sixty-one thousand, one hundred two".

Divisors: 1 2 3 6 9 18 19 31 38 57 62 93 114 171 186 251 279 342 502 558 589 753 1178 1506 1767 2259 3534 4518 4769 5301 7781 9538 10602 14307 15562 23343 28614 42921 46686 70029 85842 140058 147839 295678 443517 887034 1330551 2661102