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30002036 = 2219937691
BaseRepresentation
bin111001001110…
…0101101110100
32002110021001112
41302130231310
530140031121
62551014152
7513004331
oct162345564
962407045
1030002036
1115a31a79
12a06a358
1362a5bac
143dad988
15297975b
hex1c9cb74

30002036 has 12 divisors (see below), whose sum is σ = 52768800. Its totient is φ = 14925240.

The previous prime is 30002033. The next prime is 30002047. The reversal of 30002036 is 63020003.

It is a self number, because there is not a number n which added to its sum of digits gives 30002036.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30002033) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18050 + ... + 19641.

It is an arithmetic number, because the mean of its divisors is an integer number (4397400).

Almost surely, 230002036 is an apocalyptic number.

It is an amenable number.

30002036 is a deficient number, since it is larger than the sum of its proper divisors (22766764).

30002036 is a wasteful number, since it uses less digits than its factorization.

30002036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37894 (or 37892 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 14.

The square root of 30002036 is about 5477.4114324195. The cubic root of 30002036 is about 310.7302796868.

Adding to 30002036 its reverse (63020003), we get a palindrome (93022039).

The spelling of 30002036 in words is "thirty million, two thousand, thirty-six", and thus it is an eban number.

Divisors: 1 2 4 199 398 796 37691 75382 150764 7500509 15001018 30002036