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30425022 = 23210715797
BaseRepresentation
bin111010000001…
…1111110111110
32010020202021200
41310003332332
530242100042
63004040330
7516415455
oct164037676
963222250
1030425022
11161a0851
12a2330a6
1363c3594
14407db9c
152a0ec4c
hex1d03fbe

30425022 has 24 divisors (see below), whose sum is σ = 66541176. Its totient is φ = 10046256.

The previous prime is 30424969. The next prime is 30425039. The reversal of 30425022 is 22052403.

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

It is a junction number, because it is equal to n+sod(n) for n = 30424986 and 30425004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5973 + ... + 9824.

It is an arithmetic number, because the mean of its divisors is an integer number (2772549).

Almost surely, 230425022 is an apocalyptic number.

30425022 is an abundant number, since it is smaller than the sum of its proper divisors (36116154).

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

30425022 is a wasteful number, since it uses less digits than its factorization.

30425022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15912 (or 15909 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 18.

The square root of 30425022 is about 5515.8881424481. Note that the first 3 decimals coincide. The cubic root of 30425022 is about 312.1837551667.

Adding to 30425022 its reverse (22052403), we get a palindrome (52477425).

The spelling of 30425022 in words is "thirty million, four hundred twenty-five thousand, twenty-two".

Divisors: 1 2 3 6 9 18 107 214 321 642 963 1926 15797 31594 47391 94782 142173 284346 1690279 3380558 5070837 10141674 15212511 30425022