Search a number
-
+
147007209 = 385757179
BaseRepresentation
bin10001100001100…
…10011011101001
3101020121201222110
420300302123221
5300113212314
622330512533
73433353306
oct1060623351
9336551873
10147007209
1175a88768
1241295749
13245c191b
141574a0ad
15cd8ca59
hex8c326e9

147007209 has 8 divisors (see below), whose sum is σ = 196241760. Its totient is φ = 97888736.

The previous prime is 147007187. The next prime is 147007241. The reversal of 147007209 is 902700741.

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 147007209 - 28 = 147006953 is a prime.

It is a super-2 number, since 2×1470072092 = 43222238995939362, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (147007309) 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 7 ways as a sum of consecutive naturals, for example, 26019 + ... + 31160.

It is an arithmetic number, because the mean of its divisors is an integer number (24530220).

Almost surely, 2147007209 is an apocalyptic number.

It is an amenable number.

147007209 is a deficient number, since it is larger than the sum of its proper divisors (49234551).

147007209 is an equidigital number, since it uses as much as digits as its factorization.

147007209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58039.

The product of its (nonzero) digits is 3528, while the sum is 30.

The square root of 147007209 is about 12124.6529434867. The cubic root of 147007209 is about 527.7718359622.

The spelling of 147007209 in words is "one hundred forty-seven million, seven thousand, two hundred nine".

Divisors: 1 3 857 2571 57179 171537 49002403 147007209