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30250312 = 2337102197
BaseRepresentation
bin111001101100…
…1010101001000
32002220212121221
41303121111020
530221002222
63000211424
7515060221
oct163312510
962825557
1030250312
1116091564
12a169b74
136361bc1
144036248
1529c80c7
hex1cd9548

30250312 has 16 divisors (see below), whose sum is σ = 58252860. Its totient is φ = 14716224.

The previous prime is 30250309. The next prime is 30250321. The reversal of 30250312 is 21305203.

It can be written as a sum of positive squares in 2 ways, for example, as 25948836 + 4301476 = 5094^2 + 2074^2 .

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, 50803 + ... + 51394.

Almost surely, 230250312 is an apocalyptic number.

It is an amenable number.

30250312 is a deficient number, since it is larger than the sum of its proper divisors (28002548).

30250312 is a wasteful number, since it uses less digits than its factorization.

30250312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102240 (or 102236 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 16.

The square root of 30250312 is about 5500.0283635632. The cubic root of 30250312 is about 311.5850554457.

Adding to 30250312 its reverse (21305203), we get a palindrome (51555515).

The spelling of 30250312 in words is "thirty million, two hundred fifty thousand, three hundred twelve".

Divisors: 1 2 4 8 37 74 148 296 102197 204394 408788 817576 3781289 7562578 15125156 30250312