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2138302 = 25691879
BaseRepresentation
bin1000001010000010111110
311000122012101
420022002332
51021411202
6113455314
724114055
oct10120276
94018171
102138302
1112305a1
1287153a
1359b38a
143d939c
152c3887
hex20a0be

2138302 has 8 divisors (see below), whose sum is σ = 3214800. Its totient is φ = 1066704.

The previous prime is 2138291. The next prime is 2138321. The reversal of 2138302 is 2038312.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 2138302.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 199 + ... + 2077.

It is an arithmetic number, because the mean of its divisors is an integer number (401850).

22138302 is an apocalyptic number.

2138302 is a deficient number, since it is larger than the sum of its proper divisors (1076498).

2138302 is a wasteful number, since it uses less digits than its factorization.

2138302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2450.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 2138302 is about 1462.2934042113. The cubic root of 2138302 is about 128.8317820185.

It can be divided in two parts, 213 and 8302, that added together give a triangular number (8515 = T130).

The spelling of 2138302 in words is "two million, one hundred thirty-eight thousand, three hundred two".

Divisors: 1 2 569 1138 1879 3758 1069151 2138302