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34830257 = 7112371277
BaseRepresentation
bin1000010011011…
…1011110110001
32102112120010112
42010313132301
532404032012
63242311105
7602023640
oct204673661
972476115
1034830257
111872a540
12b7b8495
1372a6727
1448a9357
1530d0122
hex21377b1

34830257 has 32 divisors (see below), whose sum is σ = 46116864. Its totient is φ = 25502400.

The previous prime is 34830253. The next prime is 34830269. The reversal of 34830257 is 75203843.

It is a happy number.

It is not a de Polignac number, because 34830257 - 22 = 34830253 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (34830251) 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, 125603 + ... + 125879.

It is an arithmetic number, because the mean of its divisors is an integer number (1441152).

Almost surely, 234830257 is an apocalyptic number.

It is an amenable number.

34830257 is a deficient number, since it is larger than the sum of its proper divisors (11286607).

34830257 is a wasteful number, since it uses less digits than its factorization.

34830257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 389.

The product of its (nonzero) digits is 20160, while the sum is 32.

The square root of 34830257 is about 5901.7164452386. The cubic root of 34830257 is about 326.5769732694.

The spelling of 34830257 in words is "thirty-four million, eight hundred thirty thousand, two hundred fifty-seven".

Divisors: 1 7 11 23 71 77 161 253 277 497 781 1633 1771 1939 3047 5467 6371 11431 17963 19667 21329 44597 70081 125741 137669 216337 452341 490567 1514359 3166387 4975751 34830257