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26742144 = 2731113487
BaseRepresentation
bin110011000000…
…0110110000000
31212022122022210
41212000312000
523321222034
62353102120
7443206302
oct146006600
955278283
1026742144
1114105850
128b57940
135704170
1437a1972
1525338e9
hex1980d80

26742144 has 128 divisors (see below), whose sum is σ = 83623680. Its totient is φ = 7464960.

The previous prime is 26742137. The next prime is 26742151. The reversal of 26742144 is 44124762.

It is an interprime number because it is at equal distance from previous prime (26742137) and next prime (26742151).

It is a tau number, because it is divible by the number of its divisors (128).

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

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, 54669 + ... + 55155.

It is an arithmetic number, because the mean of its divisors is an integer number (653310).

Almost surely, 226742144 is an apocalyptic number.

26742144 is a gapful number since it is divisible by the number (24) 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 26742144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41811840).

26742144 is an abundant number, since it is smaller than the sum of its proper divisors (56881536).

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

26742144 is a wasteful number, since it uses less digits than its factorization.

26742144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 528 (or 516 counting only the distinct ones).

The product of its digits is 10752, while the sum is 30.

The square root of 26742144 is about 5171.2806924397. The cubic root of 26742144 is about 299.0419213191.

The spelling of 26742144 in words is "twenty-six million, seven hundred forty-two thousand, one hundred forty-four".

Divisors: 1 2 3 4 6 8 11 12 13 16 22 24 26 32 33 39 44 48 52 64 66 78 88 96 104 128 132 143 156 176 192 208 264 286 312 352 384 416 429 487 528 572 624 704 832 858 974 1056 1144 1248 1408 1461 1664 1716 1948 2112 2288 2496 2922 3432 3896 4224 4576 4992 5357 5844 6331 6864 7792 9152 10714 11688 12662 13728 15584 16071 18304 18993 21428 23376 25324 27456 31168 32142 37986 42856 46752 50648 54912 62336 64284 69641 75972 85712 93504 101296 128568 139282 151944 171424 187008 202592 208923 257136 278564 303888 342848 405184 417846 514272 557128 607776 685696 810368 835692 1028544 1114256 1215552 1671384 2057088 2228512 2431104 3342768 4457024 6685536 8914048 13371072 26742144