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42902 = 2191129
BaseRepresentation
bin1010011110010110
32011211222
422132112
52333102
6530342
7236036
oct123626
964758
1042902
112a262
12209b2
13166b2
14118c6
15caa2
hexa796

42902 has 8 divisors (see below), whose sum is σ = 67800. Its totient is φ = 20304.

The previous prime is 42901. The next prime is 42923. The reversal of 42902 is 20924.

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

It is a nialpdrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42901) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 527 + ... + 602.

It is an arithmetic number, because the mean of its divisors is an integer number (8475).

242902 is an apocalyptic number.

42902 is a deficient number, since it is larger than the sum of its proper divisors (24898).

42902 is a wasteful number, since it uses less digits than its factorization.

42902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1150.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 42902 is about 207.1279797613. The cubic root of 42902 is about 35.0073453971.

The spelling of 42902 in words is "forty-two thousand, nine hundred two".

Divisors: 1 2 19 38 1129 2258 21451 42902