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147007 = 721001
BaseRepresentation
bin100011111000111111
321110122201
4203320333
514201012
63052331
71151410
oct437077
9243581
10147007
11a04a3
12710a7
1351bb3
143b807
152d857
hex23e3f

147007 has 4 divisors (see below), whose sum is σ = 168016. Its totient is φ = 126000.

The previous prime is 146989. The next prime is 147011. The reversal of 147007 is 700741.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 700741 = 2330467.

It is a de Polignac number, because none of the positive numbers 2k-147007 is a prime.

It is a super-2 number, since 2×1470072 = 43222116098, 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 (147047) 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, 10494 + ... + 10507.

It is an arithmetic number, because the mean of its divisors is an integer number (42004).

2147007 is an apocalyptic number.

147007 is a deficient number, since it is larger than the sum of its proper divisors (21009).

147007 is an equidigital number, since it uses as much as digits as its factorization.

147007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21008.

The product of its (nonzero) digits is 196, while the sum is 19.

The square root of 147007 is about 383.4149188542. The cubic root of 147007 is about 52.7771585851. Note that the first 3 decimals are identical.

Adding to 147007 its reverse (700741), we get a palindrome (847748).

It can be divided in two parts, 14 and 7007, that added together give a triangular number (7021 = T118).

The spelling of 147007 in words is "one hundred forty-seven thousand, seven", and thus it is an iban number.

Divisors: 1 7 21001 147007