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22389002 = 253211217
BaseRepresentation
bin101010101101…
…0000100001010
31120010110221022
41111122010022
521212422002
62115512442
7361206026
oct125320412
946113838
1022389002
1111702209
1275b8722
13483b93c
142d8b386
151e73ba2
hex155a10a

22389002 has 8 divisors (see below), whose sum is σ = 34217316. Its totient is φ = 10983232.

The previous prime is 22388987. The next prime is 22389019. The reversal of 22389002 is 20098322.

It can be written as a sum of positive squares in 2 ways, for example, as 21446161 + 942841 = 4631^2 + 971^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 105503 + ... + 105714.

Almost surely, 222389002 is an apocalyptic number.

22389002 is a deficient number, since it is larger than the sum of its proper divisors (11828314).

22389002 is a wasteful number, since it uses less digits than its factorization.

22389002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211272.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 22389002 is about 4731.7018080179. The cubic root of 22389002 is about 281.8458070923.

The spelling of 22389002 in words is "twenty-two million, three hundred eighty-nine thousand, two".

Divisors: 1 2 53 106 211217 422434 11194501 22389002