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30103652 = 2211366601
BaseRepresentation
bin111001011010…
…1100001100100
32002122102110002
41302311201210
530201304102
62553120432
7513606515
oct162654144
962572402
1030103652
1115aa1357
12a0b9118
136310217
143dd8a0c
152999902
hex1cb5864

30103652 has 12 divisors (see below), whose sum is σ = 53148396. Its totient is φ = 14918400.

The previous prime is 30103649. The next prime is 30103663. The reversal of 30103652 is 25630103.

It can be written as a sum of positive squares in 2 ways, for example, as 10086976 + 20016676 = 3176^2 + 4474^2 .

It is an alternating number because its digits alternate between odd and even.

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, 32849 + ... + 33752.

It is an arithmetic number, because the mean of its divisors is an integer number (4429033).

Almost surely, 230103652 is an apocalyptic number.

It is an amenable number.

30103652 is a deficient number, since it is larger than the sum of its proper divisors (23044744).

30103652 is a wasteful number, since it uses less digits than its factorization.

30103652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66718 (or 66716 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 20.

The square root of 30103652 is about 5486.6795058578. The cubic root of 30103652 is about 311.0806957605.

Adding to 30103652 its reverse (25630103), we get a palindrome (55733755).

The spelling of 30103652 in words is "thirty million, one hundred three thousand, six hundred fifty-two".

Divisors: 1 2 4 113 226 452 66601 133202 266404 7525913 15051826 30103652