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22148692 = 2229414657
BaseRepresentation
bin101010001111…
…1011001010100
31112200021021221
41110133121110
521132224232
62110420124
7356155306
oct124373124
945607257
1022148692
1111558705
127501644
134786447
142d27976
151e27897
hex151f654

22148692 has 24 divisors (see below), whose sum is σ = 41083560. Its totient is φ = 10429440.

The previous prime is 22148683. The next prime is 22148717. The reversal of 22148692 is 29684122.

It can be written as a sum of positive squares in 4 ways, for example, as 190096 + 21958596 = 436^2 + 4686^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2428 + ... + 7084.

It is an arithmetic number, because the mean of its divisors is an integer number (1711815).

Almost surely, 222148692 is an apocalyptic number.

It is an amenable number.

22148692 is a deficient number, since it is larger than the sum of its proper divisors (18934868).

22148692 is a wasteful number, since it uses less digits than its factorization.

22148692 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4731 (or 4729 counting only the distinct ones).

The product of its digits is 13824, while the sum is 34.

The square root of 22148692 is about 4706.2396879037. The cubic root of 22148692 is about 280.8337901670.

It can be divided in two parts, 22148 and 692, that multiplied together give a triangular number (15326416 = T5536).

The spelling of 22148692 in words is "twenty-two million, one hundred forty-eight thousand, six hundred ninety-two".

Divisors: 1 2 4 29 41 58 82 116 164 1189 2378 4657 4756 9314 18628 135053 190937 270106 381874 540212 763748 5537173 11074346 22148692