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22073490 = 2325245261
BaseRepresentation
bin101010000110…
…1000010010010
31112112110010200
41110031002102
521122322430
62105040030
7355423125
oct124150222
945473120
1022073490
111150715a
127486016
13475b14a
142d083bc
151e10460
hex150d092

22073490 has 24 divisors (see below), whose sum is σ = 57391308. Its totient is φ = 5886240.

The previous prime is 22073483. The next prime is 22073501. The reversal of 22073490 is 9437022.

It can be written as a sum of positive squares in 2 ways, for example, as 20711601 + 1361889 = 4551^2 + 1167^2 .

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, 122541 + ... + 122720.

Almost surely, 222073490 is an apocalyptic number.

22073490 is an abundant number, since it is smaller than the sum of its proper divisors (35317818).

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

22073490 is a wasteful number, since it uses less digits than its factorization.

22073490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245274 (or 245271 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 22073490 is about 4698.2432887197. The cubic root of 22073490 is about 280.5155891324.

The spelling of 22073490 in words is "twenty-two million, seventy-three thousand, four hundred ninety".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 245261 490522 735783 1226305 1471566 2207349 2452610 3678915 4414698 7357830 11036745 22073490