Search a number
-
+
407047023 = 32831633343
BaseRepresentation
bin11000010000110…
…000101101101111
31001100221010112200
4120100300231233
51313201001043
6104220232543
713041562005
oct3020605557
91040833480
10407047023
111998494a9
12b439b753
136643b036
143c0baa75
1525b067d3
hex18430b6f

407047023 has 24 divisors (see below), whose sum is σ = 598870272. Its totient is φ = 266370768.

The previous prime is 407047001. The next prime is 407047033. The reversal of 407047023 is 320740704.

It is not a de Polignac number, because 407047023 - 213 = 407038831 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (407047033) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 120090 + ... + 123432.

It is an arithmetic number, because the mean of its divisors is an integer number (24952928).

Almost surely, 2407047023 is an apocalyptic number.

407047023 is a deficient number, since it is larger than the sum of its proper divisors (191823249).

407047023 is a wasteful number, since it uses less digits than its factorization.

407047023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3595 (or 3592 counting only the distinct ones).

The product of its (nonzero) digits is 4704, while the sum is 27.

The square root of 407047023 is about 20175.4063899590. The cubic root of 407047023 is about 741.1080448047.

Adding to 407047023 its reverse (320740704), we get a palindrome (727787727).

The spelling of 407047023 in words is "four hundred seven million, forty-seven thousand, twenty-three".

Divisors: 1 3 9 83 163 249 489 747 1467 3343 10029 13529 30087 40587 121761 277469 544909 832407 1634727 2497221 4904181 45227447 135682341 407047023