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26706020 = 22511196389
BaseRepresentation
bin110010111100…
…0000001100100
31212020210202212
41211320001210
523314043040
62352222552
7442666055
oct145700144
955223685
1026706020
11140906a0
128b3aa58
1356c08a3
14379272c
152527d65
hex1978064

26706020 has 48 divisors (see below), whose sum is σ = 64411200. Its totient is φ = 9198720.

The previous prime is 26706019. The next prime is 26706037. The reversal of 26706020 is 2060762.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 986 + ... + 7374.

It is an arithmetic number, because the mean of its divisors is an integer number (1341900).

Almost surely, 226706020 is an apocalyptic number.

26706020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26706020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32205600).

26706020 is an abundant number, since it is smaller than the sum of its proper divisors (37705180).

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

26706020 is a wasteful number, since it uses less digits than its factorization.

26706020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6428 (or 6426 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 23.

The square root of 26706020 is about 5167.7867603066. The cubic root of 26706020 is about 298.9072093807.

Adding to 26706020 its reverse (2060762), we get a palindrome (28766782).

The spelling of 26706020 in words is "twenty-six million, seven hundred six thousand, twenty".

Divisors: 1 2 4 5 10 11 19 20 22 38 44 55 76 95 110 190 209 220 380 418 836 1045 2090 4180 6389 12778 25556 31945 63890 70279 121391 127780 140558 242782 281116 351395 485564 606955 702790 1213910 1335301 1405580 2427820 2670602 5341204 6676505 13353010 26706020