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34397918 = 220178527
BaseRepresentation
bin1000001100110…
…1111011011110
32101201121001222
42003031323132
532301213133
63225133342
7565243322
oct203157336
971647058
1034397918
1118464735
12b62a252
1371849c9
1447d5982
153046e98
hex20cdede

34397918 has 8 divisors (see below), whose sum is σ = 51628512. Its totient is φ = 17188416.

The previous prime is 34397911. The next prime is 34397921. The reversal of 34397918 is 81979343.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34397911) 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, 230 + ... + 8297.

It is an arithmetic number, because the mean of its divisors is an integer number (6453564).

Almost surely, 234397918 is an apocalyptic number.

34397918 is a deficient number, since it is larger than the sum of its proper divisors (17230594).

34397918 is a wasteful number, since it uses less digits than its factorization.

34397918 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10546.

The product of its digits is 163296, while the sum is 44.

The square root of 34397918 is about 5864.9738277336. The cubic root of 34397918 is about 325.2201049446.

The spelling of 34397918 in words is "thirty-four million, three hundred ninety-seven thousand, nine hundred eighteen".

Divisors: 1 2 2017 4034 8527 17054 17198959 34397918