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30675841 = 773173347
BaseRepresentation
bin111010100000…
…1001110000001
32010201111100021
41311001032001
530323111331
63013253441
7521511640
oct165011601
963644307
1030675841
1116352239
12a334281
1364807b1
144107357
152a5e211
hex1d41381

30675841 has 16 divisors (see below), whose sum is σ = 35846784. Its totient is φ = 25709184.

The previous prime is 30675839. The next prime is 30675851. The reversal of 30675841 is 14857603.

It is not a de Polignac number, because 30675841 - 21 = 30675839 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30675797 and 30675806.

It is not an unprimeable number, because it can be changed into a prime (30675851) 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, 88230 + ... + 88576.

It is an arithmetic number, because the mean of its divisors is an integer number (2240424).

Almost surely, 230675841 is an apocalyptic number.

It is an amenable number.

30675841 is a deficient number, since it is larger than the sum of its proper divisors (5170943).

30675841 is a wasteful number, since it uses less digits than its factorization.

30675841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 600.

The product of its (nonzero) digits is 20160, while the sum is 34.

The square root of 30675841 is about 5538.5775249607. The cubic root of 30675841 is about 313.0392728029.

The spelling of 30675841 in words is "thirty million, six hundred seventy-five thousand, eight hundred forty-one".

Divisors: 1 7 73 173 347 511 1211 2429 12629 25331 60031 88403 177317 420217 4382263 30675841