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30151366 = 2721916193
BaseRepresentation
bin111001100000…
…1001011000110
32002201211220021
41303001023012
530204320431
62554125354
7514165600
oct163011306
962654807
1030151366
1116024193
12a12085a
136328b5b
14400c170
1529a8b11
hex1cc12c6

30151366 has 24 divisors (see below), whose sum is σ = 55383480. Its totient is φ = 12241152.

The previous prime is 30151351. The next prime is 30151369. The reversal of 30151366 is 66315103.

It is a self number, because there is not a number n which added to its sum of digits gives 30151366.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30151369) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6235 + ... + 9958.

It is an arithmetic number, because the mean of its divisors is an integer number (2307645).

Almost surely, 230151366 is an apocalyptic number.

30151366 is a deficient number, since it is larger than the sum of its proper divisors (25232114).

30151366 is a wasteful number, since it uses less digits than its factorization.

30151366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16228 (or 16221 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 25.

The square root of 30151366 is about 5491.0259514958. The cubic root of 30151366 is about 311.2449623115.

Adding to 30151366 its reverse (66315103), we get a palindrome (96466469).

The spelling of 30151366 in words is "thirty million, one hundred fifty-one thousand, three hundred sixty-six".

Divisors: 1 2 7 14 19 38 49 98 133 266 931 1862 16193 32386 113351 226702 307667 615334 793457 1586914 2153669 4307338 15075683 30151366