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34820138 = 247370427
BaseRepresentation
bin1000010011010…
…1000000101010
32102112001020202
42010311000222
532403221023
63242152202
7601652303
oct204650052
972461222
1034820138
1118722981
12b7b2662
1372a1c42
1448a57aa
1530cc128
hex213502a

34820138 has 8 divisors (see below), whose sum is σ = 53341632. Its totient is φ = 17039596.

The previous prime is 34820129. The next prime is 34820143. The reversal of 34820138 is 83102843.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 34820138.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 185120 + ... + 185307.

It is an arithmetic number, because the mean of its divisors is an integer number (6667704).

Almost surely, 234820138 is an apocalyptic number.

34820138 is a deficient number, since it is larger than the sum of its proper divisors (18521494).

34820138 is a wasteful number, since it uses less digits than its factorization.

34820138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 370476.

The product of its (nonzero) digits is 4608, while the sum is 29.

The square root of 34820138 is about 5900.8590899970. The cubic root of 34820138 is about 326.5453441366.

The spelling of 34820138 in words is "thirty-four million, eight hundred twenty thousand, one hundred thirty-eight".

Divisors: 1 2 47 94 370427 740854 17410069 34820138