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117261253 = 1153101701
BaseRepresentation
bin1101111110101…
…00001111000101
322011122111012101
412333110033011
5220004330003
615345152101
72622463354
oct677241705
9264574171
10117261253
116021112a
123332b631
131b3a8475
141180599b
15a46411d
hex6fd43c5

117261253 has 4 divisors (see below), whose sum is σ = 117364108. Its totient is φ = 117158400.

The previous prime is 117261241. The next prime is 117261269. The reversal of 117261253 is 352162711.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 352162711 = 421836491.

It can be written as a sum of positive squares in 2 ways, for example, as 32012964 + 85248289 = 5658^2 + 9233^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-117261253 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 (117261233) 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, 49698 + ... + 52003.

It is an arithmetic number, because the mean of its divisors is an integer number (29341027).

Almost surely, 2117261253 is an apocalyptic number.

It is an amenable number.

117261253 is a deficient number, since it is larger than the sum of its proper divisors (102855).

117261253 is a wasteful number, since it uses less digits than its factorization.

117261253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102854.

The product of its digits is 2520, while the sum is 28.

The square root of 117261253 is about 10828.7235166477. The cubic root of 117261253 is about 489.4610943219.

The spelling of 117261253 in words is "one hundred seventeen million, two hundred sixty-one thousand, two hundred fifty-three".

Divisors: 1 1153 101701 117261253