Search a number
-
+
4045869 = 34199251
BaseRepresentation
bin1111011011110000101101
321121112220000
433123300231
52013431434
6222414513
746250352
oct17336055
97545800
104045869
1123137a3
121431439
13ab8709
14774629
1554db99
hex3dbc2d

4045869 has 20 divisors (see below), whose sum is σ = 6098400. Its totient is φ = 2673000.

The previous prime is 4045849. The next prime is 4045883. The reversal of 4045869 is 9685404.

It is not a de Polignac number, because 4045869 - 25 = 4045837 is a prime.

It is a super-2 number, since 2×40458692 = 32738111930322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4045829) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 15994 + ... + 16244.

It is an arithmetic number, because the mean of its divisors is an integer number (304920).

Almost surely, 24045869 is an apocalyptic number.

It is an amenable number.

4045869 is a deficient number, since it is larger than the sum of its proper divisors (2052531).

4045869 is a wasteful number, since it uses less digits than its factorization.

4045869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 462 (or 453 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The square root of 4045869 is about 2011.4345626940. The cubic root of 4045869 is about 159.3445713534.

The spelling of 4045869 in words is "four million, forty-five thousand, eight hundred sixty-nine".

Divisors: 1 3 9 27 81 199 251 597 753 1791 2259 5373 6777 16119 20331 49949 149847 449541 1348623 4045869