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349900 = 22523499
BaseRepresentation
bin1010101011011001100
3122202222021
41111123030
542144100
611255524
72655055
oct1253314
9582867
10349900
11219981
1214a5a4
13c3355
149172c
156da1a
hex556cc

349900 has 18 divisors (see below), whose sum is σ = 759500. Its totient is φ = 139920.

The previous prime is 349871. The next prime is 349903. The reversal of 349900 is 9943.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is an Ulam number.

It is a plaindrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (349903) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1650 + ... + 1849.

2349900 is an apocalyptic number.

It is an amenable number.

349900 is an abundant number, since it is smaller than the sum of its proper divisors (409600).

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

349900 is a wasteful number, since it uses less digits than its factorization.

349900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3513 (or 3506 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 25.

The square root of 349900 is about 591.5234568468. The cubic root of 349900 is about 70.4662749683.

The spelling of 349900 in words is "three hundred forty-nine thousand, nine hundred".

Divisors: 1 2 4 5 10 20 25 50 100 3499 6998 13996 17495 34990 69980 87475 174950 349900