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26029428 = 2234494831
BaseRepresentation
bin110001101001…
…0110101110100
31210222102122220
41203102311310
523130420203
62325522340
7434150355
oct143226564
953872586
1026029428
1113769327
1288733b0
135514939
143657d2c
152442653
hex18d2d74

26029428 has 24 divisors (see below), whose sum is σ = 60883200. Its totient is φ = 8655360.

The previous prime is 26029427. The next prime is 26029447. The reversal of 26029428 is 82492062.

It is a super-2 number, since 2×260294282 = 1355062244014368, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26029427) by changing a digit.

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, 2973 + ... + 7803.

It is an arithmetic number, because the mean of its divisors is an integer number (2536800).

Almost surely, 226029428 is an apocalyptic number.

It is an amenable number.

26029428 is an abundant number, since it is smaller than the sum of its proper divisors (34853772).

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

26029428 is a wasteful number, since it uses less digits than its factorization.

26029428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5287 (or 5285 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 33.

The square root of 26029428 is about 5101.9043503382. The cubic root of 26029428 is about 296.3613343579.

The spelling of 26029428 in words is "twenty-six million, twenty-nine thousand, four hundred twenty-eight".

Divisors: 1 2 3 4 6 12 449 898 1347 1796 2694 4831 5388 9662 14493 19324 28986 57972 2169119 4338238 6507357 8676476 13014714 26029428