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5102155 = 51020431
BaseRepresentation
bin10011011101101001001011
3100121012211201
4103131221023
52301232110
6301205031
761240042
oct23355113
910535751
105102155
112975363
121860777
131098436
1496b559
156abb3a
hex4dda4b

5102155 has 4 divisors (see below), whose sum is σ = 6122592. Its totient is φ = 4081720.

The previous prime is 5102137. The next prime is 5102177. The reversal of 5102155 is 5512015.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 5102155 - 29 = 5101643 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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, 510211 + ... + 510220.

It is an arithmetic number, because the mean of its divisors is an integer number (1530648).

Almost surely, 25102155 is an apocalyptic number.

5102155 is a deficient number, since it is larger than the sum of its proper divisors (1020437).

5102155 is a wasteful number, since it uses less digits than its factorization.

5102155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1020436.

The product of its (nonzero) digits is 250, while the sum is 19.

The square root of 5102155 is about 2258.7950327553. The cubic root of 5102155 is about 172.1543031216.

It can be divided in two parts, 51021 and 55, that added together give a square (51076 = 2262).

The spelling of 5102155 in words is "five million, one hundred two thousand, one hundred fifty-five".

Divisors: 1 5 1020431 5102155