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30523104 = 2532105983
BaseRepresentation
bin111010001101…
…1111011100000
32010102201211100
41310123323200
530303214404
63010114400
7520304433
oct164337340
963381740
1030523104
1116258507
12a27ba00
136429111
1440a781a
152a2dd39
hex1d1bee0

30523104 has 36 divisors (see below), whose sum is σ = 86800896. Its totient is φ = 10174272.

The previous prime is 30523099. The next prime is 30523111. The reversal of 30523104 is 40132503.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 52704 + ... + 53279.

It is an arithmetic number, because the mean of its divisors is an integer number (2411136).

Almost surely, 230523104 is an apocalyptic number.

It is an amenable number.

30523104 is an abundant number, since it is smaller than the sum of its proper divisors (56277792).

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

30523104 is a wasteful number, since it uses less digits than its factorization.

30523104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105999 (or 105988 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 30523104 is about 5524.7718504930. The cubic root of 30523104 is about 312.5188605150.

Adding to 30523104 its reverse (40132503), we get a palindrome (70655607).

It can be divided in two parts, 305 and 23104, that added together give a square (23409 = 1532).

The spelling of 30523104 in words is "thirty million, five hundred twenty-three thousand, one hundred four".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 32 36 48 72 96 144 288 105983 211966 317949 423932 635898 847864 953847 1271796 1695728 1907694 2543592 3391456 3815388 5087184 7630776 10174368 15261552 30523104