Search a number
-
+
4280693 = 4399551
BaseRepresentation
bin10000010101000101110101
322001111000012
4100111011311
52043440233
6231430005
751246104
oct20250565
98044005
104280693
11246416a
121525305
13b6b571
147d603b
15598548
hex415175

4280693 has 4 divisors (see below), whose sum is σ = 4380288. Its totient is φ = 4181100.

The previous prime is 4280659. The next prime is 4280741. The reversal of 4280693 is 3960824.

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 a cyclic number.

It is not a de Polignac number, because 4280693 - 26 = 4280629 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4280623) 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, 49733 + ... + 49818.

It is an arithmetic number, because the mean of its divisors is an integer number (1095072).

Almost surely, 24280693 is an apocalyptic number.

4280693 is a gapful number since it is divisible by the number (43) formed by its first and last digit.

It is an amenable number.

4280693 is a deficient number, since it is larger than the sum of its proper divisors (99595).

4280693 is an equidigital number, since it uses as much as digits as its factorization.

4280693 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99594.

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 4280693 is about 2068.9835668753. The cubic root of 4280693 is about 162.3695900456.

It can be divided in two parts, 42 and 80693, that multiplied together give a triangular number (3389106 = T2603).

The spelling of 4280693 in words is "four million, two hundred eighty thousand, six hundred ninety-three".

Divisors: 1 43 99551 4280693