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10145947 = 76123761
BaseRepresentation
bin100110101101…
…000010011011
3201002110121211
4212231002123
510044132242
61001243551
7152145010
oct46550233
921073554
1010145947
1157aa889
1234935b7
132143126
1414c1707
15d56317
hex9ad09b

10145947 has 8 divisors (see below), whose sum is σ = 11785952. Its totient is φ = 8553600.

The previous prime is 10145939. The next prime is 10145977. The reversal of 10145947 is 74954101.

10145947 is digitally balanced in base 2, 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 a cyclic number.

It is not a de Polignac number, because 10145947 - 23 = 10145939 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10145917) 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, 11454 + ... + 12307.

It is an arithmetic number, because the mean of its divisors is an integer number (1473244).

Almost surely, 210145947 is an apocalyptic number.

10145947 is a deficient number, since it is larger than the sum of its proper divisors (1640005).

10145947 is an equidigital number, since it uses as much as digits as its factorization.

10145947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23829.

The product of its (nonzero) digits is 5040, while the sum is 31.

The square root of 10145947 is about 3185.2703181991. The cubic root of 10145947 is about 216.4865219258.

The spelling of 10145947 in words is "ten million, one hundred forty-five thousand, nine hundred forty-seven".

Divisors: 1 7 61 427 23761 166327 1449421 10145947