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22945030 = 252399761
BaseRepresentation
bin101011110000…
…1110100000110
31121011201122221
41113201310012
521333220110
62135442554
7366013063
oct127416406
947151587
1022945030
1111a51a39
12782645a
1349a4a54
143093c6a
1520337da
hex15e1d06

22945030 has 16 divisors (see below), whose sum is σ = 43097184. Its totient is φ = 8778880.

The previous prime is 22944983. The next prime is 22945031. The reversal of 22945030 is 3054922.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 22944986 and 22945004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22945031) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49651 + ... + 50110.

It is an arithmetic number, because the mean of its divisors is an integer number (2693574).

Almost surely, 222945030 is an apocalyptic number.

22945030 is a deficient number, since it is larger than the sum of its proper divisors (20152154).

22945030 is a wasteful number, since it uses less digits than its factorization.

22945030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99791.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 22945030 is about 4790.0970762606. The cubic root of 22945030 is about 284.1599558485.

Adding to 22945030 its reverse (3054922), we get a palindrome (25999952).

The spelling of 22945030 in words is "twenty-two million, nine hundred forty-five thousand, thirty".

Divisors: 1 2 5 10 23 46 115 230 99761 199522 498805 997610 2294503 4589006 11472515 22945030