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22029379 = 199711953
BaseRepresentation
bin101010000001…
…0010001000011
31112110012121221
41110002101003
521114420004
62104055511
7355150411
oct124022103
945405557
1022029379
1111486aa9
127464597
134744048
142cd62b1
151e02354
hex1502443

22029379 has 8 divisors (see below), whose sum is σ = 23429840. Its totient is φ = 20653056.

The previous prime is 22029311. The next prime is 22029389. The reversal of 22029379 is 97392022.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-22029379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22029389) 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, 4134 + ... + 7819.

It is an arithmetic number, because the mean of its divisors is an integer number (2928730).

Almost surely, 222029379 is an apocalyptic number.

22029379 is a deficient number, since it is larger than the sum of its proper divisors (1400461).

22029379 is a wasteful number, since it uses less digits than its factorization.

22029379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12069.

The product of its (nonzero) digits is 13608, while the sum is 34.

The square root of 22029379 is about 4693.5465268814. The cubic root of 22029379 is about 280.3286065451.

The spelling of 22029379 in words is "twenty-two million, twenty-nine thousand, three hundred seventy-nine".

Divisors: 1 19 97 1843 11953 227107 1159441 22029379