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10147207 = 71449601
BaseRepresentation
bin100110101101…
…010110000111
3201002112100111
4212231112013
510044202312
61001253451
7152151460
oct46552607
921075314
1010147207
115800824
123494287
132143885
1414c1d67
15d568a7
hex9ad587

10147207 has 4 divisors (see below), whose sum is σ = 11596816. Its totient is φ = 8697600.

The previous prime is 10147153. The next prime is 10147211. The reversal of 10147207 is 70274101.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 70274101 = 167420803.

It is a cyclic number.

It is not a de Polignac number, because 10147207 - 211 = 10145159 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10147297) by changing a digit.

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, 724794 + ... + 724807.

It is an arithmetic number, because the mean of its divisors is an integer number (2899204).

Almost surely, 210147207 is an apocalyptic number.

10147207 is a deficient number, since it is larger than the sum of its proper divisors (1449609).

10147207 is an equidigital number, since it uses as much as digits as its factorization.

10147207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1449608.

The product of its (nonzero) digits is 392, while the sum is 22.

The square root of 10147207 is about 3185.4680974701. The cubic root of 10147207 is about 216.4954831963.

The spelling of 10147207 in words is "ten million, one hundred forty-seven thousand, two hundred seven".

Divisors: 1 7 1449601 10147207