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349795237 = 1131799567
BaseRepresentation
bin10100110110010…
…111001110100101
3220101012102212011
4110312113032211
51204021421422
654413154221
711445132121
oct2466271645
9811172764
10349795237
1116a4a5380
129918b971
1357613c3c
1434656581
1520a98077
hex14d973a5

349795237 has 4 divisors (see below), whose sum is σ = 381594816. Its totient is φ = 317995660.

The previous prime is 349795181. The next prime is 349795241. The reversal of 349795237 is 732597943.

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 349795237 - 219 = 349270949 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (349795037) 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, 15899773 + ... + 15899794.

It is an arithmetic number, because the mean of its divisors is an integer number (95398704).

Almost surely, 2349795237 is an apocalyptic number.

It is an amenable number.

349795237 is a deficient number, since it is larger than the sum of its proper divisors (31799579).

349795237 is a wasteful number, since it uses less digits than its factorization.

349795237 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31799578.

The product of its digits is 1428840, while the sum is 49.

The square root of 349795237 is about 18702.8136118606. The cubic root of 349795237 is about 704.5924153465.

The spelling of 349795237 in words is "three hundred forty-nine million, seven hundred ninety-five thousand, two hundred thirty-seven".

Divisors: 1 11 31799567 349795237