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2103642 = 232196151
BaseRepresentation
bin1000000001100101011010
310221212122200
420001211122
51014304032
6113031030
723611032
oct10014532
93855580
102103642
111207552
12855476
13588678
143ca8c2
152b847c
hex20195a

2103642 has 24 divisors (see below), whose sum is σ = 4798560. Its totient is φ = 664200.

The previous prime is 2103617. The next prime is 2103653. The reversal of 2103642 is 2463012.

It is a happy number.

2103642 is a `hidden beast` number, since 21 + 0 + 3 + 642 = 666.

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 polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2734 + ... + 3417.

It is an arithmetic number, because the mean of its divisors is an integer number (199940).

22103642 is an apocalyptic number.

2103642 is an abundant number, since it is smaller than the sum of its proper divisors (2694918).

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

2103642 is a wasteful number, since it uses less digits than its factorization.

2103642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6178 (or 6175 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 2103642 is about 1450.3937396445. The cubic root of 2103642 is about 128.1319034155.

Adding to 2103642 its reverse (2463012), we get a palindrome (4566654).

The spelling of 2103642 in words is "two million, one hundred three thousand, six hundred forty-two".

Divisors: 1 2 3 6 9 18 19 38 57 114 171 342 6151 12302 18453 36906 55359 110718 116869 233738 350607 701214 1051821 2103642