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349238901 = 31131487701
BaseRepresentation
bin10100110100001…
…111011001110101
3220100011011201010
4110310033121311
51203401121101
654353222433
711440324134
oct2464173165
9810134633
10349238901
1116a1553a0
1298b61a19
135747a94b
143454d91b
15209d82d6
hex14d0f675

349238901 has 32 divisors (see below), whose sum is σ = 526196736. Its totient is φ = 204120000.

The previous prime is 349238887. The next prime is 349238921. The reversal of 349238901 is 109832943.

It is not a de Polignac number, because 349238901 - 215 = 349206133 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 349238901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (349238921) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 497851 + ... + 498551.

It is an arithmetic number, because the mean of its divisors is an integer number (16443648).

Almost surely, 2349238901 is an apocalyptic number.

349238901 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

349238901 is a deficient number, since it is larger than the sum of its proper divisors (176957835).

349238901 is a wasteful number, since it uses less digits than its factorization.

349238901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1233.

The product of its (nonzero) digits is 46656, while the sum is 39.

The square root of 349238901 is about 18687.9346370860. The cubic root of 349238901 is about 704.2186746706.

The spelling of 349238901 in words is "three hundred forty-nine million, two hundred thirty-eight thousand, nine hundred one".

Divisors: 1 3 11 31 33 93 341 487 701 1023 1461 2103 5357 7711 15097 16071 21731 23133 45291 65193 166067 239041 341387 498201 717123 1024161 3755257 10582997 11265771 31748991 116412967 349238901