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349745030 = 25109320867
BaseRepresentation
bin10100110110001…
…010111110000110
3220101002212222122
4110312022332012
51204013320110
654412125542
711444532545
oct2466127606
9811085878
10349745030
1116a470688
12991668b2
13575c712b
143464215c
1520a88255
hex14d8af86

349745030 has 16 divisors (see below), whose sum is σ = 635318640. Its totient is φ = 138614112.

The previous prime is 349745009. The next prime is 349745083. The reversal of 349745030 is 30547943.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 159344 + ... + 161523.

It is an arithmetic number, because the mean of its divisors is an integer number (39707415).

Almost surely, 2349745030 is an apocalyptic number.

349745030 is a deficient number, since it is larger than the sum of its proper divisors (285573610).

349745030 is a wasteful number, since it uses less digits than its factorization.

349745030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 320983.

The product of its (nonzero) digits is 45360, while the sum is 35.

The square root of 349745030 is about 18701.4713324915. The cubic root of 349745030 is about 704.5587030864.

It can be divided in two parts, 34974 and 5030, that added together give a palindrome (40004).

The spelling of 349745030 in words is "three hundred forty-nine million, seven hundred forty-five thousand, thirty".

Divisors: 1 2 5 10 109 218 545 1090 320867 641734 1604335 3208670 34974503 69949006 174872515 349745030