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117903940 = 22571176561
BaseRepresentation
bin1110000011100…
…01001001000100
322012212010210121
413001301021010
5220140411230
615411031324
72631111160
oct701611104
9265763717
10117903940
116060aa80
123359b544
131b571b5b
1411931ca0
15a53e77a
hex7071244

117903940 has 48 divisors (see below), whose sum is σ = 308697984. Its totient is φ = 36748800.

The previous prime is 117903913. The next prime is 117903953. The reversal of 117903940 is 49309711.

It is a junction number, because it is equal to n+sod(n) for n = 117903896 and 117903905.

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, 36741 + ... + 39820.

It is an arithmetic number, because the mean of its divisors is an integer number (6431208).

Almost surely, 2117903940 is an apocalyptic number.

117903940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

117903940 is an abundant number, since it is smaller than the sum of its proper divisors (190794044).

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

117903940 is a wasteful number, since it uses less digits than its factorization.

117903940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76588 (or 76586 counting only the distinct ones).

The product of its (nonzero) digits is 6804, while the sum is 34.

The square root of 117903940 is about 10858.3580710898. The cubic root of 117903940 is about 490.3536805131.

The spelling of 117903940 in words is "one hundred seventeen million, nine hundred three thousand, nine hundred forty".

Divisors: 1 2 4 5 7 10 11 14 20 22 28 35 44 55 70 77 110 140 154 220 308 385 770 1540 76561 153122 306244 382805 535927 765610 842171 1071854 1531220 1684342 2143708 2679635 3368684 4210855 5359270 5895197 8421710 10718540 11790394 16843420 23580788 29475985 58951970 117903940