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3430993 = 10931477
BaseRepresentation
bin1101000101101001010001
320110022102211
431011221101
51334242433
6201312121
741106616
oct15055121
96408384
103430993
111a33835
121195641
13931897
1465450d
1547b8cd
hex345a51

3430993 has 4 divisors (see below), whose sum is σ = 3462580. Its totient is φ = 3399408.

The previous prime is 3430967. The next prime is 3431009. The reversal of 3430993 is 3990343.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3990343 = 7570049.

It can be written as a sum of positive squares in 2 ways, for example, as 2334784 + 1096209 = 1528^2 + 1047^2 .

It is a cyclic number.

It is not a de Polignac number, because 3430993 - 213 = 3422801 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3430913) 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, 15630 + ... + 15847.

It is an arithmetic number, because the mean of its divisors is an integer number (865645).

Almost surely, 23430993 is an apocalyptic number.

It is an amenable number.

3430993 is a deficient number, since it is larger than the sum of its proper divisors (31587).

3430993 is a wasteful number, since it uses less digits than its factorization.

3430993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31586.

The product of its (nonzero) digits is 8748, while the sum is 31.

The square root of 3430993 is about 1852.2939831463. The cubic root of 3430993 is about 150.8249803242.

The spelling of 3430993 in words is "three million, four hundred thirty thousand, nine hundred ninety-three".

Divisors: 1 109 31477 3430993