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26830072 = 234181799
BaseRepresentation
bin110011001011…
…0010011111000
31212111002221101
41212112103320
523332030242
62355021144
7444023533
oct146262370
955432841
1026830072
1114165915
128b9a7b4
1357351a9
1437c5a1a
15254e9b7
hex19964f8

26830072 has 16 divisors (see below), whose sum is σ = 51534000. Its totient is φ = 13087680.

The previous prime is 26830049. The next prime is 26830079. The reversal of 26830072 is 27003862.

It is a self number, because there is not a number n which added to its sum of digits gives 26830072.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26830079) 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 3 ways as a sum of consecutive naturals, for example, 40572 + ... + 41227.

It is an arithmetic number, because the mean of its divisors is an integer number (3220875).

Almost surely, 226830072 is an apocalyptic number.

It is an amenable number.

26830072 is a deficient number, since it is larger than the sum of its proper divisors (24703928).

26830072 is a wasteful number, since it uses less digits than its factorization.

26830072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81846 (or 81842 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 26830072 is about 5179.7752847011. The cubic root of 26830072 is about 299.3693120753.

The spelling of 26830072 in words is "twenty-six million, eight hundred thirty thousand, seventy-two".

Divisors: 1 2 4 8 41 82 164 328 81799 163598 327196 654392 3353759 6707518 13415036 26830072