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22000074 = 2317215687
BaseRepresentation
bin101001111101…
…1000111001010
31112101201102120
41103323013022
521113000244
62103312110
7354666105
oct123730712
945351376
1022000074
1111466a88
12744b636
1347338c5
142cc973c
151de8819
hex14fb1ca

22000074 has 16 divisors (see below), whose sum is σ = 46588608. Its totient is φ = 6901952.

The previous prime is 22000061. The next prime is 22000087. The reversal of 22000074 is 47000022.

It is an interprime number because it is at equal distance from previous prime (22000061) and next prime (22000087).

22000074 is a modest number, since divided by 74 gives 22 as remainder.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 107742 + ... + 107945.

It is an arithmetic number, because the mean of its divisors is an integer number (2911788).

Almost surely, 222000074 is an apocalyptic number.

22000074 is an abundant number, since it is smaller than the sum of its proper divisors (24588534).

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

22000074 is a wasteful number, since it uses less digits than its factorization.

22000074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215709.

The product of its (nonzero) digits is 112, while the sum is 15.

The square root of 22000074 is about 4690.4236482433. The cubic root of 22000074 is about 280.2042472332.

Adding to 22000074 its reverse (47000022), we get a palindrome (69000096).

The spelling of 22000074 in words is "twenty-two million, seventy-four", and thus it is an aban number.

Divisors: 1 2 3 6 17 34 51 102 215687 431374 647061 1294122 3666679 7333358 11000037 22000074