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349203946 = 27134344621
BaseRepresentation
bin10100110100000…
…110110111101010
3220100002101202111
4110310012313222
51203344011241
654352352534
711440120210
oct2464066752
9810071674
10349203946
1116a131103
1298b4574a
1357467a70
1434540cb0
15209ccc81
hex14d06dea

349203946 has 32 divisors (see below), whose sum is σ = 659691648. Its totient is φ = 134930880.

The previous prime is 349203941. The next prime is 349203947. The reversal of 349203946 is 649302943.

It is a super-3 number, since 3×3492039463 (a number of 27 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 349203899 and 349203908.

It is not an unprimeable number, because it can be changed into a prime (349203941) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14485 + ... + 30136.

It is an arithmetic number, because the mean of its divisors is an integer number (20615364).

Almost surely, 2349203946 is an apocalyptic number.

349203946 is a deficient number, since it is larger than the sum of its proper divisors (310487702).

349203946 is a wasteful number, since it uses less digits than its factorization.

349203946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44686.

The product of its (nonzero) digits is 139968, while the sum is 40.

The square root of 349203946 is about 18686.9993845989. Note that the first 3 decimals coincide. The cubic root of 349203946 is about 704.1951790205.

The spelling of 349203946 in words is "three hundred forty-nine million, two hundred three thousand, nine hundred forty-six".

Divisors: 1 2 7 13 14 26 43 86 91 182 301 559 602 1118 3913 7826 44621 89242 312347 580073 624694 1160146 1918703 3837406 4060511 8121022 13430921 24943139 26861842 49886278 174601973 349203946