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30675168 = 2532432477
BaseRepresentation
bin111010100000…
…1000011100000
32010201110102100
41311001003200
530323101133
63013250400
7521506656
oct165010340
963643370
1030675168
1116351787
12a333a00
1364803b4
144106dd6
152a5de13
hex1d410e0

30675168 has 72 divisors (see below), whose sum is σ = 89297208. Its totient is φ = 9983232.

The previous prime is 30675167. The next prime is 30675187. The reversal of 30675168 is 86157603.

It is a tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30675167) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11146 + ... + 13622.

It is an arithmetic number, because the mean of its divisors is an integer number (1240239).

Almost surely, 230675168 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30675168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44648604).

30675168 is an abundant number, since it is smaller than the sum of its proper divisors (58622040).

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

30675168 is a wasteful number, since it uses less digits than its factorization.

30675168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2536 (or 2525 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 30675168 is about 5538.5167689554. The cubic root of 30675168 is about 313.0369835206.

The spelling of 30675168 in words is "thirty million, six hundred seventy-five thousand, one hundred sixty-eight".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 32 36 43 48 72 86 96 129 144 172 258 288 344 387 516 688 774 1032 1376 1548 2064 2477 3096 4128 4954 6192 7431 9908 12384 14862 19816 22293 29724 39632 44586 59448 79264 89172 106511 118896 178344 213022 237792 319533 356688 426044 639066 713376 852088 958599 1278132 1704176 1917198 2556264 3408352 3834396 5112528 7668792 10225056 15337584 30675168