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105625255 = 5151139901
BaseRepresentation
bin1100100101110…
…11011010100111
321100202022121111
412102323122213
5204020002010
614251525451
72421541231
oct622733247
9240668544
10105625255
11546938aa
122b459887
1318b63068
1410057251
15941658a
hex64bb6a7

105625255 has 8 divisors (see below), whose sum is σ = 127590624. Its totient is φ = 83940000.

The previous prime is 105625253. The next prime is 105625297. The reversal of 105625255 is 552526501.

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

It is not a de Polignac number, because 105625255 - 21 = 105625253 is a prime.

It is a super-2 number, since 2×1056252552 = 22313388987630050, 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 (105625253) 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, 69196 + ... + 70705.

It is an arithmetic number, because the mean of its divisors is an integer number (15948828).

Almost surely, 2105625255 is an apocalyptic number.

105625255 is a deficient number, since it is larger than the sum of its proper divisors (21965369).

105625255 is a wasteful number, since it uses less digits than its factorization.

105625255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140057.

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

The square root of 105625255 is about 10277.4148013983. The cubic root of 105625255 is about 472.7039776994.

It can be divided in two parts, 10 and 5625255, that added together give a palindrome (5625265).

The spelling of 105625255 in words is "one hundred five million, six hundred twenty-five thousand, two hundred fifty-five".

Divisors: 1 5 151 755 139901 699505 21125051 105625255