Search a number
-
+
468640984 = 2378368589
BaseRepresentation
bin11011111011101…
…110010011011000
31012122211102120111
4123323232103120
51424433002414
6114300334104
714420245150
oct3373562330
91178742514
10468640984
112205989a9
12110b44334
1376125676
1446351760
152b2218c4
hex1beee4d8

468640984 has 16 divisors (see below), whose sum is σ = 1004230800. Its totient is φ = 200846112.

The previous prime is 468640973. The next prime is 468640987. The reversal of 468640984 is 489046864.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (468640987) 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, 4184239 + ... + 4184350.

It is an arithmetic number, because the mean of its divisors is an integer number (62764425).

Almost surely, 2468640984 is an apocalyptic number.

It is an amenable number.

468640984 is an abundant number, since it is smaller than the sum of its proper divisors (535589816).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

468640984 is a wasteful number, since it uses less digits than its factorization.

468640984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8368602 (or 8368598 counting only the distinct ones).

The product of its (nonzero) digits is 1327104, while the sum is 49.

The square root of 468640984 is about 21648.1173315372. The cubic root of 468640984 is about 776.7479017201.

The spelling of 468640984 in words is "four hundred sixty-eight million, six hundred forty thousand, nine hundred eighty-four".

Divisors: 1 2 4 7 8 14 28 56 8368589 16737178 33474356 58580123 66948712 117160246 234320492 468640984