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30675250 = 253122701
BaseRepresentation
bin111010100000…
…1000100110010
32010201110112101
41311001010302
530323102000
63013251014
7521510134
oct165010462
963643471
1030675250
1116351851
12a333a6a
136480448
144107054
152a5de6a
hex1d41132

30675250 has 16 divisors (see below), whose sum is σ = 57424536. Its totient is φ = 12270000.

The previous prime is 30675209. The next prime is 30675251. The reversal of 30675250 is 5257603.

It can be written as a sum of positive squares in 4 ways, for example, as 18207289 + 12467961 = 4267^2 + 3531^2 .

It is not an unprimeable number, because it can be changed into a prime (30675251) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61101 + ... + 61600.

Almost surely, 230675250 is an apocalyptic number.

30675250 is a deficient number, since it is larger than the sum of its proper divisors (26749286).

30675250 is a wasteful number, since it uses less digits than its factorization.

30675250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122718 (or 122708 counting only the distinct ones).

The product of its (nonzero) digits is 6300, while the sum is 28.

The square root of 30675250 is about 5538.5241716544. The cubic root of 30675250 is about 313.0372624543.

The spelling of 30675250 in words is "thirty million, six hundred seventy-five thousand, two hundred fifty".

Divisors: 1 2 5 10 25 50 125 250 122701 245402 613505 1227010 3067525 6135050 15337625 30675250