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147513 = 349171
BaseRepresentation
bin100100000000111001
321111100110
4210000321
514210023
63054533
71153032
oct440071
9244313
10147513
11a0913
1271449
13521b2
143ba89
152da93
hex24039

147513 has 4 divisors (see below), whose sum is σ = 196688. Its totient is φ = 98340.

The previous prime is 147503. The next prime is 147517. The reversal of 147513 is 315741.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 147513 - 25 = 147481 is a prime.

It is a D-number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 147513.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 147513.

It is not an unprimeable number, because it can be changed into a prime (147517) 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, 24583 + ... + 24588.

It is an arithmetic number, because the mean of its divisors is an integer number (49172).

2147513 is an apocalyptic number.

It is an amenable number.

147513 is a deficient number, since it is larger than the sum of its proper divisors (49175).

147513 is an equidigital number, since it uses as much as digits as its factorization.

147513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49174.

The product of its digits is 420, while the sum is 21.

The square root of 147513 is about 384.0742115790. The cubic root of 147513 is about 52.8376424641.

It can be divided in two parts, 14751 and 3, that multiplied together give a triangular number (44253 = T297).

The spelling of 147513 in words is "one hundred forty-seven thousand, five hundred thirteen".

Divisors: 1 3 49171 147513