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22689030 = 2357138311
BaseRepresentation
bin101011010001…
…1010100000110
31120200201111110
41112203110012
521302022110
62130145450
7363565530
oct126432406
946621443
1022689030
1111897671
127722286
134915380
143028850
151ed2a20
hex15a3506

22689030 has 64 divisors (see below), whose sum is σ = 67027968. Its totient is φ = 4786560.

The previous prime is 22689019. The next prime is 22689047. The reversal of 22689030 is 3098622.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1426 + ... + 6885.

It is an arithmetic number, because the mean of its divisors is an integer number (1047312).

Almost surely, 222689030 is an apocalyptic number.

22689030 is an abundant number, since it is smaller than the sum of its proper divisors (44338938).

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

22689030 is a wasteful number, since it uses less digits than its factorization.

22689030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8341.

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 22689030 is about 4763.3003264543. The cubic root of 22689030 is about 283.0992006568.

The spelling of 22689030 in words is "twenty-two million, six hundred eighty-nine thousand, thirty".

Divisors: 1 2 3 5 6 7 10 13 14 15 21 26 30 35 39 42 65 70 78 91 105 130 182 195 210 273 390 455 546 910 1365 2730 8311 16622 24933 41555 49866 58177 83110 108043 116354 124665 174531 216086 249330 290885 324129 349062 540215 581770 648258 756301 872655 1080430 1512602 1620645 1745310 2268903 3241290 3781505 4537806 7563010 11344515 22689030