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28541426 = 2139102667
BaseRepresentation
bin110110011100…
…0000111110010
31222201001110212
41230320013302
524301311201
62455424122
7464412104
oct154700762
958631425
1028541426
1115124661
129685042
135bb4124
143b0d574
15278babb
hex1b381f2

28541426 has 8 divisors (see below), whose sum is σ = 43120560. Its totient is φ = 14167908.

The previous prime is 28541411. The next prime is 28541431. The reversal of 28541426 is 62414582.

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

It is a super-2 number, since 2×285414262 = 1629225996226952, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 28541392 and 28541401.

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 3 ways as a sum of consecutive naturals, for example, 51056 + ... + 51611.

It is an arithmetic number, because the mean of its divisors is an integer number (5390070).

Almost surely, 228541426 is an apocalyptic number.

28541426 is a deficient number, since it is larger than the sum of its proper divisors (14579134).

28541426 is a wasteful number, since it uses less digits than its factorization.

28541426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102808.

The product of its digits is 15360, while the sum is 32.

The square root of 28541426 is about 5342.4176175211. The cubic root of 28541426 is about 305.6036633357.

The spelling of 28541426 in words is "twenty-eight million, five hundred forty-one thousand, four hundred twenty-six".

Divisors: 1 2 139 278 102667 205334 14270713 28541426