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2189502 = 232717377
BaseRepresentation
bin1000010110100010111110
311010020102200
420112202332
51030031002
6114532330
724416250
oct10264276
94106380
102189502
111266007
128970a6
135b8783
1440dcd0
152d3b1c
hex2168be

2189502 has 24 divisors (see below), whose sum is σ = 5421936. Its totient is φ = 625536.

The previous prime is 2189491. The next prime is 2189513. The reversal of 2189502 is 2059812.

2189502 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (2189491) and next prime (2189513).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8563 + ... + 8814.

It is an arithmetic number, because the mean of its divisors is an integer number (225914).

22189502 is an apocalyptic number.

2189502 is an abundant number, since it is smaller than the sum of its proper divisors (3232434).

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

2189502 is a wasteful number, since it uses less digits than its factorization.

2189502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17392 (or 17389 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

The square root of 2189502 is about 1479.6965905212. The cubic root of 2189502 is about 129.8519418930.

The spelling of 2189502 in words is "two million, one hundred eighty-nine thousand, five hundred two".

Divisors: 1 2 3 6 7 9 14 18 21 42 63 126 17377 34754 52131 104262 121639 156393 243278 312786 364917 729834 1094751 2189502