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26699142 = 2319234203
BaseRepresentation
bin110010111011…
…0010110000110
31212020110100010
41211312112012
523313333032
62352131050
7442640031
oct145662606
955213303
1026699142
1114086508
128b36a86
1356ba712
143790018
152525ccc
hex1976586

26699142 has 16 divisors (see below), whose sum is σ = 56208960. Its totient is φ = 8431272.

The previous prime is 26699137. The next prime is 26699143. The reversal of 26699142 is 24199662.

It is a self number, because there is not a number n which added to its sum of digits gives 26699142.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26699143) 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, 116988 + ... + 117215.

It is an arithmetic number, because the mean of its divisors is an integer number (3513060).

Almost surely, 226699142 is an apocalyptic number.

26699142 is an abundant number, since it is smaller than the sum of its proper divisors (29509818).

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

26699142 is a wasteful number, since it uses less digits than its factorization.

26699142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234227.

The product of its digits is 46656, while the sum is 39.

The square root of 26699142 is about 5167.1212488193. The cubic root of 26699142 is about 298.8815464989.

It can be divided in two parts, 2669 and 9142, that added together give a palindrome (11811).

The spelling of 26699142 in words is "twenty-six million, six hundred ninety-nine thousand, one hundred forty-two".

Divisors: 1 2 3 6 19 38 57 114 234203 468406 702609 1405218 4449857 8899714 13349571 26699142