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30660532 = 2277983167
BaseRepresentation
bin111010011110…
…1011110110100
32010200201100021
41310331132310
530322114112
63013054524
7521416210
oct164753664
963621307
1030660532
1116341791
12a327444
136476836
144101940
152a59907
hex1d3d7b4

30660532 has 48 divisors (see below), whose sum is σ = 63221760. Its totient is φ = 12740832.

The previous prime is 30660499. The next prime is 30660551. The reversal of 30660532 is 23506603.

It is a junction number, because it is equal to n+sod(n) for n = 30660497 and 30660506.

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, 183513 + ... + 183679.

It is an arithmetic number, because the mean of its divisors is an integer number (1317120).

Almost surely, 230660532 is an apocalyptic number.

It is an amenable number.

30660532 is an abundant number, since it is smaller than the sum of its proper divisors (32561228).

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

30660532 is a wasteful number, since it uses less digits than its factorization.

30660532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 340 (or 338 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 25.

The square root of 30660532 is about 5537.1953189318. The cubic root of 30660532 is about 312.9871893010.

The spelling of 30660532 in words is "thirty million, six hundred sixty thousand, five hundred thirty-two".

Divisors: 1 2 4 7 14 28 79 83 158 166 167 316 332 334 553 581 668 1106 1162 1169 2212 2324 2338 4676 6557 13114 13193 13861 26228 26386 27722 45899 52772 55444 91798 92351 97027 183596 184702 194054 369404 388108 1095019 2190038 4380076 7665133 15330266 30660532