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147073705 = 537794993
BaseRepresentation
bin10001100010000…
…10101010101001
3101020202010012021
420301002222221
5300122324310
622332144441
73434051212
oct1061025251
9336663167
10147073705
1176023719
1241308121
1324615c7c
1415766409
15cda25da
hex8c42aa9

147073705 has 8 divisors (see below), whose sum is σ = 181258632. Its totient is φ = 114478848.

The previous prime is 147073691. The next prime is 147073709. The reversal of 147073705 is 507370741.

It can be written as a sum of positive squares in 4 ways, for example, as 34480384 + 112593321 = 5872^2 + 10611^2 .

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 147073705 - 227 = 12855977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (147073709) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 397312 + ... + 397681.

It is an arithmetic number, because the mean of its divisors is an integer number (22657329).

Almost surely, 2147073705 is an apocalyptic number.

It is an amenable number.

147073705 is a deficient number, since it is larger than the sum of its proper divisors (34184927).

147073705 is an equidigital number, since it uses as much as digits as its factorization.

147073705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 795035.

The product of its (nonzero) digits is 20580, while the sum is 34.

The square root of 147073705 is about 12127.3948150458. The cubic root of 147073705 is about 527.8513999194.

The spelling of 147073705 in words is "one hundred forty-seven million, seventy-three thousand, seven hundred five".

Divisors: 1 5 37 185 794993 3974965 29414741 147073705