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104227640 = 23511236881
BaseRepresentation
bin1100011011001…
…10001100111000
321021010022102222
412031212030320
5203140241030
614201543212
72403630446
oct615461470
9237108388
10104227640
1153919850
122aaa4b08
1318793b7a
14dbb1b96
15923c3e5
hex6366338

104227640 has 32 divisors (see below), whose sum is σ = 255832560. Its totient is φ = 37900800.

The previous prime is 104227639. The next prime is 104227649. The reversal of 104227640 is 46722401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104227649) 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, 118001 + ... + 118880.

Almost surely, 2104227640 is an apocalyptic number.

104227640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

104227640 is an abundant number, since it is smaller than the sum of its proper divisors (151604920).

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

104227640 is a wasteful number, since it uses less digits than its factorization.

104227640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 236903 (or 236899 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 26.

The square root of 104227640 is about 10209.1938957001. The cubic root of 104227640 is about 470.6098014994.

It can be divided in two parts, 1042 and 27640, that added together give a palindrome (28682).

The spelling of 104227640 in words is "one hundred four million, two hundred twenty-seven thousand, six hundred forty".

Divisors: 1 2 4 5 8 10 11 20 22 40 44 55 88 110 220 440 236881 473762 947524 1184405 1895048 2368810 2605691 4737620 5211382 9475240 10422764 13028455 20845528 26056910 52113820 104227640