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30135100 = 2252319721
BaseRepresentation
bin111001011110…
…1001100111100
32002201000120211
41302331030330
530203310400
62553522204
7514100302
oct162751474
962630524
1030135100
1116012a46
12a113364
136321628
144006272
1529a3dba
hex1cbd33c

30135100 has 36 divisors (see below), whose sum is σ = 67509568. Its totient is φ = 11664000.

The previous prime is 30135071. The next prime is 30135113. The reversal of 30135100 is 153103.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1761 + ... + 7960.

Almost surely, 230135100 is an apocalyptic number.

It is an amenable number.

30135100 is an abundant number, since it is smaller than the sum of its proper divisors (37374468).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30135100 is a wasteful number, since it uses less digits than its factorization.

30135100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9766 (or 9759 counting only the distinct ones).

The product of its (nonzero) digits is 45, while the sum is 13.

The square root of 30135100 is about 5489.5446077065. The cubic root of 30135100 is about 311.1889823024.

Adding to 30135100 its reverse (153103), we get a palindrome (30288203).

The spelling of 30135100 in words is "thirty million, one hundred thirty-five thousand, one hundred".

Divisors: 1 2 4 5 10 20 25 31 50 62 100 124 155 310 620 775 1550 3100 9721 19442 38884 48605 97210 194420 243025 301351 486050 602702 972100 1205404 1506755 3013510 6027020 7533775 15067550 30135100