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349752901 = 3319105379
BaseRepresentation
bin10100110110001…
…100111001000101
3220101010021210011
4110312030321011
51204014043101
654412230221
711444564521
oct2466147105
9811107704
10349752901
1116a476593
129916b371
13575ca8a4
1434644d81
1520a8a751
hex14d8ce45

349752901 has 4 divisors (see below), whose sum is σ = 349861600. Its totient is φ = 349644204.

The previous prime is 349752869. The next prime is 349752929. The reversal of 349752901 is 109257943.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 349752901 - 25 = 349752869 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (349752941) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49371 + ... + 56008.

It is an arithmetic number, because the mean of its divisors is an integer number (87465400).

Almost surely, 2349752901 is an apocalyptic number.

It is an amenable number.

349752901 is a deficient number, since it is larger than the sum of its proper divisors (108699).

349752901 is a wasteful number, since it uses less digits than its factorization.

349752901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108698.

The product of its (nonzero) digits is 68040, while the sum is 40.

The square root of 349752901 is about 18701.6817692955. The cubic root of 349752901 is about 704.5639884033.

The spelling of 349752901 in words is "three hundred forty-nine million, seven hundred fifty-two thousand, nine hundred one".

Divisors: 1 3319 105379 349752901