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1308042 = 23324223
BaseRepresentation
bin100111111010110001010
32110110022000
410333112022
5313324132
644011430
714055351
oct4772612
92413260
101308042
1181382a
12530b76
1336a4b8
14260998
151ac87c
hex13f58a

1308042 has 16 divisors (see below), whose sum is σ = 2906880. Its totient is φ = 435996.

The previous prime is 1308037. The next prime is 1308049. The reversal of 1308042 is 2408031.

It is a happy number.

It is a hoax number, since the sum of its digits (18) coincides with the sum of the digits of its distinct prime factors.

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

It is not an unprimeable number, because it can be changed into a prime (1308049) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12058 + ... + 12165.

It is an arithmetic number, because the mean of its divisors is an integer number (181680).

21308042 is an apocalyptic number.

1308042 is an abundant number, since it is smaller than the sum of its proper divisors (1598838).

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

1308042 is a wasteful number, since it uses less digits than its factorization.

1308042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24234 (or 24228 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 1308042 is about 1143.6966380995. The cubic root of 1308042 is about 109.3638766375.

The spelling of 1308042 in words is "one million, three hundred eight thousand, forty-two".

Divisors: 1 2 3 6 9 18 27 54 24223 48446 72669 145338 218007 436014 654021 1308042