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10072151 = 17956269
BaseRepresentation
bin100110011011…
…000001010111
3200221201101122
4212123001113
510034302101
6555514155
7151416605
oct46330127
920851348
1010072151
11575a3a1
12345895b
13211866b
1414a2875
15d3e51b
hex99b057

10072151 has 4 divisors (see below), whose sum is σ = 10128600. Its totient is φ = 10015704.

The previous prime is 10072141. The next prime is 10072157. The reversal of 10072151 is 15127001.

10072151 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 15127001 = 61324677.

It is a cyclic number.

It is not a de Polignac number, because 10072151 - 218 = 9810007 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 (10072157) 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, 27956 + ... + 28313.

It is an arithmetic number, because the mean of its divisors is an integer number (2532150).

Almost surely, 210072151 is an apocalyptic number.

10072151 is a deficient number, since it is larger than the sum of its proper divisors (56449).

10072151 is an equidigital number, since it uses as much as digits as its factorization.

10072151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56448.

The product of its (nonzero) digits is 70, while the sum is 17.

The square root of 10072151 is about 3173.6652312429. The cubic root of 10072151 is about 215.9603765338.

Adding to 10072151 its reverse (15127001), we get a palindrome (25199152).

The spelling of 10072151 in words is "ten million, seventy-two thousand, one hundred fifty-one".

Divisors: 1 179 56269 10072151