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118001453 = 139984347
BaseRepresentation
bin1110000100010…
…00111100101101
322020001002120012
413002020330231
5220202021303
615413103005
72631665363
oct702107455
9266032505
10118001453
1160677269
1233627a65
131b5a735b
1411959633
15a55d5d8
hex7088f2d

118001453 has 4 divisors (see below), whose sum is σ = 118087200. Its totient is φ = 117915708.

The previous prime is 118001449. The next prime is 118001483. The reversal of 118001453 is 354100811.

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, and also an emirpimes, since its reverse is a distinct semiprime: 354100811 = 523677057.

It is a cyclic number.

It is not a de Polignac number, because 118001453 - 22 = 118001449 is a prime.

It is a super-2 number, since 2×1180014532 = 27848685820222418, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118001483) 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 3 ways as a sum of consecutive naturals, for example, 40775 + ... + 43572.

It is an arithmetic number, because the mean of its divisors is an integer number (29521800).

Almost surely, 2118001453 is an apocalyptic number.

It is an amenable number.

118001453 is a deficient number, since it is larger than the sum of its proper divisors (85747).

118001453 is an equidigital number, since it uses as much as digits as its factorization.

118001453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85746.

The product of its (nonzero) digits is 480, while the sum is 23.

The square root of 118001453 is about 10862.8473707403. The cubic root of 118001453 is about 490.4888263570.

The spelling of 118001453 in words is "one hundred eighteen million, one thousand, four hundred fifty-three".

Divisors: 1 1399 84347 118001453