Search a number
-
+
30030428 = 2229279113
BaseRepresentation
bin111001010001…
…1101001011100
32002111201000002
41302203221130
530141433203
62551353432
7513153161
oct162435134
962451002
1030030428
1115a5133a
12a082878
1362b5aac
143dba068
152982d88
hex1ca3a5c

30030428 has 36 divisors (see below), whose sum is σ = 55604640. Its totient is φ = 14187264.

The previous prime is 30030419. The next prime is 30030437. The reversal of 30030428 is 82403003.

It is an interprime number because it is at equal distance from previous prime (30030419) and next prime (30030437).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 265700 + ... + 265812.

Almost surely, 230030428 is an apocalyptic number.

It is an amenable number.

30030428 is a deficient number, since it is larger than the sum of its proper divisors (25574212).

30030428 is a wasteful number, since it uses less digits than its factorization.

30030428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 254 (or 223 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 30030428 is about 5480.0025547439. The cubic root of 30030428 is about 310.8282671770.

The spelling of 30030428 in words is "thirty million, thirty thousand, four hundred twenty-eight".

Divisors: 1 2 4 29 58 79 113 116 158 226 316 452 841 1682 2291 3277 3364 4582 6554 8927 9164 13108 17854 35708 66439 95033 132878 190066 258883 265756 380132 517766 1035532 7507607 15015214 30030428