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118438001 = 11192919541
BaseRepresentation
bin1110000111100…
…11100001110001
322020212021101122
413003303201301
5220310004001
615430312025
72635464203
oct703634161
9266767348
10118438001
1160945250
12337b8615
131b6cac76
1411a30773
15a5e7b1b
hex70f3871

118438001 has 16 divisors (see below), whose sum is σ = 140702400. Its totient is φ = 98481600.

The previous prime is 118437989. The next prime is 118438009. The reversal of 118438001 is 100834811.

It is a cyclic number.

It is not a de Polignac number, because 118438001 - 26 = 118437937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (118438009) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3710 + ... + 15831.

It is an arithmetic number, because the mean of its divisors is an integer number (8793900).

Almost surely, 2118438001 is an apocalyptic number.

118438001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

118438001 is a deficient number, since it is larger than the sum of its proper divisors (22264399).

118438001 is a wasteful number, since it uses less digits than its factorization.

118438001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19600.

The product of its (nonzero) digits is 768, while the sum is 26.

The square root of 118438001 is about 10882.9224475781. The cubic root of 118438001 is about 491.0929387163.

The spelling of 118438001 in words is "one hundred eighteen million, four hundred thirty-eight thousand, one".

Divisors: 1 11 19 29 209 319 551 6061 19541 214951 371279 566689 4084069 6233579 10767091 118438001