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340872 = 23372029
BaseRepresentation
bin1010011001110001000
3122022120220
41103032020
541401442
611150040
72616540
oct1231610
9568526
10340872
11213114
12145320
13bc1cc
148c320
156aeec
hex53388

340872 has 32 divisors (see below), whose sum is σ = 974400. Its totient is φ = 97344.

The previous prime is 340859. The next prime is 340877. The reversal of 340872 is 278043.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (340877) 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, 847 + ... + 1182.

It is an arithmetic number, because the mean of its divisors is an integer number (30450).

2340872 is an apocalyptic number.

It is an amenable number.

340872 is an abundant number, since it is smaller than the sum of its proper divisors (633528).

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

340872 is a wasteful number, since it uses less digits than its factorization.

340872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2045 (or 2041 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 24.

The square root of 340872 is about 583.8424445002. The cubic root of 340872 is about 69.8549376875.

The spelling of 340872 in words is "three hundred forty thousand, eight hundred seventy-two".

Divisors: 1 2 3 4 6 7 8 12 14 21 24 28 42 56 84 168 2029 4058 6087 8116 12174 14203 16232 24348 28406 42609 48696 56812 85218 113624 170436 340872