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117337021 = 619189559
BaseRepresentation
bin1101111111001…
…10101110111101
322011210100010121
412333212232331
5220014241041
615350534541
72623230304
oct677465675
9264710117
10117337021
116026304a
1233367451
131b403ab9
141182543b
15a47b7d1
hex6fe6bbd

117337021 has 4 divisors (see below), whose sum is σ = 117527200. Its totient is φ = 117146844.

The previous prime is 117337013. The next prime is 117337037. The reversal of 117337021 is 120733711.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 117337021 - 23 = 117337013 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117337091) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 94161 + ... + 95398.

It is an arithmetic number, because the mean of its divisors is an integer number (29381800).

Almost surely, 2117337021 is an apocalyptic number.

It is an amenable number.

117337021 is a deficient number, since it is larger than the sum of its proper divisors (190179).

117337021 is an equidigital number, since it uses as much as digits as its factorization.

117337021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190178.

The product of its (nonzero) digits is 882, while the sum is 25.

The square root of 117337021 is about 10832.2214249894. The cubic root of 117337021 is about 489.5664928873.

The spelling of 117337021 in words is "one hundred seventeen million, three hundred thirty-seven thousand, twenty-one".

Divisors: 1 619 189559 117337021