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30103132 = 227525783
BaseRepresentation
bin111001011010…
…1011001011100
32002122101201211
41302311121130
530201300012
62553114204
7513605143
oct162653134
962571654
1030103132
1115aa0a24
12a0b8964
13630cc07
143dd875a
1529996a7
hex1cb565c

30103132 has 6 divisors (see below), whose sum is σ = 52680488. Its totient is φ = 15051564.

The previous prime is 30103127. The next prime is 30103133. The reversal of 30103132 is 23130103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30103133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3762888 + ... + 3762895.

Almost surely, 230103132 is an apocalyptic number.

It is an amenable number.

30103132 is a deficient number, since it is larger than the sum of its proper divisors (22577356).

30103132 is a wasteful number, since it uses less digits than its factorization.

30103132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7525787 (or 7525785 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 13.

The square root of 30103132 is about 5486.6321181577. The cubic root of 30103132 is about 311.0789045837.

Adding to 30103132 its reverse (23130103), we get a palindrome (53233235).

The spelling of 30103132 in words is "thirty million, one hundred three thousand, one hundred thirty-two".

Divisors: 1 2 4 7525783 15051566 30103132