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117720022 = 278408573
BaseRepresentation
bin1110000010001…
…00001111010110
322012111210111211
413001010033112
5220114020042
615403052034
72626414030
oct701041726
9265453454
10117720022
11604a4882
123351101a
131b509224
14118c4c50
15a505017
hex70443d6

117720022 has 8 divisors (see below), whose sum is σ = 201805776. Its totient is φ = 50451432.

The previous prime is 117719999. The next prime is 117720037. The reversal of 117720022 is 220027711.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 117719975 and 117720002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4204273 + ... + 4204300.

It is an arithmetic number, because the mean of its divisors is an integer number (25225722).

Almost surely, 2117720022 is an apocalyptic number.

117720022 is a deficient number, since it is larger than the sum of its proper divisors (84085754).

117720022 is an equidigital number, since it uses as much as digits as its factorization.

117720022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8408582.

The product of its (nonzero) digits is 392, while the sum is 22.

The square root of 117720022 is about 10849.8858058507. The cubic root of 117720022 is about 490.0985807488.

Adding to 117720022 its reverse (220027711), we get a palindrome (337747733).

The spelling of 117720022 in words is "one hundred seventeen million, seven hundred twenty thousand, twenty-two".

Divisors: 1 2 7 14 8408573 16817146 58860011 117720022