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2742102 = 2321121259
BaseRepresentation
bin1010011101011101010110
312011022110100
422131131112
51200221402
6134434530
732210316
oct12353526
95138410
102742102
111603200
12b02a46
1375015c
14515446
1539271c
hex29d756

2742102 has 36 divisors (see below), whose sum is σ = 6535620. Its totient is φ = 830280.

The previous prime is 2742073. The next prime is 2742119. The reversal of 2742102 is 2012472.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1549 + ... + 2807.

It is an arithmetic number, because the mean of its divisors is an integer number (181545).

22742102 is an apocalyptic number.

2742102 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 2742102, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3267810).

2742102 is an abundant number, since it is smaller than the sum of its proper divisors (3793518).

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

2742102 is a wasteful number, since it uses less digits than its factorization.

2742102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1289 (or 1275 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 18.

The square root of 2742102 is about 1655.9293463189. The cubic root of 2742102 is about 139.9677136432.

Adding to 2742102 its reverse (2012472), we get a palindrome (4754574).

The spelling of 2742102 in words is "two million, seven hundred forty-two thousand, one hundred two".

Divisors: 1 2 3 6 9 11 18 22 33 66 99 121 198 242 363 726 1089 1259 2178 2518 3777 7554 11331 13849 22662 27698 41547 83094 124641 152339 249282 304678 457017 914034 1371051 2742102