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5155645 = 51193739
BaseRepresentation
bin10011101010101100111101
3100200221012211
4103222230331
52304440040
6302300421
761552015
oct23525475
910627184
105155645
112a01570
121887711
1310b68a1
14982c45
156bc8ea
hex4eab3d

5155645 has 8 divisors (see below), whose sum is σ = 6749280. Its totient is φ = 3749520.

The previous prime is 5155643. The next prime is 5155673. The reversal of 5155645 is 5465515.

5155645 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 5155645 - 21 = 5155643 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5155643) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46815 + ... + 46924.

It is an arithmetic number, because the mean of its divisors is an integer number (843660).

Almost surely, 25155645 is an apocalyptic number.

5155645 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

5155645 is a deficient number, since it is larger than the sum of its proper divisors (1593635).

5155645 is a wasteful number, since it uses less digits than its factorization.

5155645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93755.

The product of its digits is 15000, while the sum is 31.

The square root of 5155645 is about 2270.6045450496. The cubic root of 5155645 is about 172.7538236277.

It can be divided in two parts, 51 and 55645, that added together give a square (55696 = 2362).

The spelling of 5155645 in words is "five million, one hundred fifty-five thousand, six hundred forty-five".

Divisors: 1 5 11 55 93739 468695 1031129 5155645