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349628 = 2287407
BaseRepresentation
bin1010101010110111100
3122202121012
41111112330
542142003
611254352
72654216
oct1252674
9582535
10349628
11219754
1214a3b8
13c31a6
14915b6
156d8d8
hex555bc

349628 has 6 divisors (see below), whose sum is σ = 611856. Its totient is φ = 174812.

The previous prime is 349603. The next prime is 349637. The reversal of 349628 is 826943.

It is a d-powerful number, because it can be written as 39 + 47 + 67 + 93 + 27 + 85 .

It is a plaindrome in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 349594 and 349603.

It is a congruent number.

It is an unprimeable number.

349628 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43700 + ... + 43707.

It is an arithmetic number, because the mean of its divisors is an integer number (101976).

2349628 is an apocalyptic number.

It is an amenable number.

349628 is a deficient number, since it is larger than the sum of its proper divisors (262228).

349628 is a wasteful number, since it uses less digits than its factorization.

349628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87411 (or 87409 counting only the distinct ones).

The product of its digits is 10368, while the sum is 32.

The square root of 349628 is about 591.2934973429. The cubic root of 349628 is about 70.4480108971.

The spelling of 349628 in words is "three hundred forty-nine thousand, six hundred twenty-eight".

Divisors: 1 2 4 87407 174814 349628