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30425616 = 24321316253
BaseRepresentation
bin111010000010…
…0001000010000
32010020210002200
41310010020100
530242104431
63004043200
7516420264
oct164041020
963223080
1030425616
11161a1241
12a233500
1363c3930
1440800a4
152a0eee6
hex1d04210

30425616 has 60 divisors (see below), whose sum is σ = 91705068. Its totient is φ = 9361152.

The previous prime is 30425599. The next prime is 30425617. The reversal of 30425616 is 61652403.

30425616 is a `hidden beast` number, since 3 + 0 + 42 + 5 + 616 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 12278016 + 18147600 = 3504^2 + 4260^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 30425616.

It is not an unprimeable number, because it can be changed into a prime (30425617) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6255 + ... + 9998.

Almost surely, 230425616 is an apocalyptic number.

30425616 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

30425616 is an abundant number, since it is smaller than the sum of its proper divisors (61279452).

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

30425616 is a wasteful number, since it uses less digits than its factorization.

30425616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16280 (or 16271 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 30425616 is about 5515.9419866420. The cubic root of 30425616 is about 312.1857867834.

The spelling of 30425616 in words is "thirty million, four hundred twenty-five thousand, six hundred sixteen".

Divisors: 1 2 3 4 6 8 9 12 13 16 18 24 26 36 39 48 52 72 78 104 117 144 156 208 234 312 468 624 936 1872 16253 32506 48759 65012 97518 130024 146277 195036 211289 260048 292554 390072 422578 585108 633867 780144 845156 1170216 1267734 1690312 1901601 2340432 2535468 3380624 3803202 5070936 7606404 10141872 15212808 30425616