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4269385 = 51396143
BaseRepresentation
bin10000010010010101001001
322000220111101
4100102111021
52043110020
6231301401
751201121
oct20222511
98026441
104269385
11245671a
12151a861
13b66383
147d1c81
1559500a
hex412549

4269385 has 8 divisors (see below), whose sum is σ = 5160960. Its totient is φ = 3390384.

The previous prime is 4269383. The next prime is 4269403. The reversal of 4269385 is 5839624.

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 4269385 - 21 = 4269383 is a prime.

It is an Ulam number.

It is a d-powerful number, because it can be written as 44 + 222 + 6 + 92 + 310 + 82 + 56 .

It is not an unprimeable number, because it can be changed into a prime (4269383) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2377 + ... + 3766.

It is an arithmetic number, because the mean of its divisors is an integer number (645120).

Almost surely, 24269385 is an apocalyptic number.

It is an amenable number.

4269385 is a deficient number, since it is larger than the sum of its proper divisors (891575).

4269385 is a wasteful number, since it uses less digits than its factorization.

4269385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6287.

The product of its digits is 51840, while the sum is 37.

The square root of 4269385 is about 2066.2490169387. The cubic root of 4269385 is about 162.2264905954.

It can be divided in two parts, 42693 and 85, that added together give a triangular number (42778 = T292).

The spelling of 4269385 in words is "four million, two hundred sixty-nine thousand, three hundred eighty-five".

Divisors: 1 5 139 695 6143 30715 853877 4269385