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30203030 = 25111321121
BaseRepresentation
bin111001100110…
…1110010010110
32002211110202202
41303031302112
530212444110
62555204502
7514502324
oct163156226
962743682
1030203030
1116059a90
12a146732
136346520
144022d14
1529b90a5
hex1ccdc96

30203030 has 32 divisors (see below), whose sum is σ = 63872928. Its totient is φ = 10137600.

The previous prime is 30203023. The next prime is 30203053. The reversal of 30203030 is 3030203.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (11).

30203030 is a modest number, since divided by 3030 gives 3020 as remainder.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9131 + ... + 11990.

It is an arithmetic number, because the mean of its divisors is an integer number (1996029).

Almost surely, 230203030 is an apocalyptic number.

30203030 is an abundant number, since it is smaller than the sum of its proper divisors (33669898).

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

30203030 is a wasteful number, since it uses less digits than its factorization.

30203030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21152.

The product of its (nonzero) digits is 54, while the sum is 11.

The square root of 30203030 is about 5495.7283411755. The cubic root of 30203030 is about 311.4226323612.

Adding to 30203030 its reverse (3030203), we get a palindrome (33233233).

The spelling of 30203030 in words is "thirty million, two hundred three thousand, thirty".

Divisors: 1 2 5 10 11 13 22 26 55 65 110 130 143 286 715 1430 21121 42242 105605 211210 232331 274573 464662 549146 1161655 1372865 2323310 2745730 3020303 6040606 15101515 30203030