Search a number
-
+
418023940 = 225191100063
BaseRepresentation
bin11000111010101…
…000101000000100
31002010120211001011
4120322220220010
51324003231230
6105251412004
713234100455
oct3072505004
91063524034
10418023940
111a4a66634
12b7bb4004
13687b2459
143d73712c
1526a73e2a
hex18ea8a04

418023940 has 24 divisors (see below), whose sum is σ = 924053760. Its totient is φ = 158408928.

The previous prime is 418023923. The next prime is 418023943. The reversal of 418023940 is 49320814.

It is not an unprimeable number, because it can be changed into a prime (418023943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 549652 + ... + 550411.

It is an arithmetic number, because the mean of its divisors is an integer number (38502240).

Almost surely, 2418023940 is an apocalyptic number.

It is an amenable number.

418023940 is an abundant number, since it is smaller than the sum of its proper divisors (506029820).

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

418023940 is a wasteful number, since it uses less digits than its factorization.

418023940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1100091 (or 1100089 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 418023940 is about 20445.6337637159. The cubic root of 418023940 is about 747.7109109065.

The spelling of 418023940 in words is "four hundred eighteen million, twenty-three thousand, nine hundred forty".

Divisors: 1 2 4 5 10 19 20 38 76 95 190 380 1100063 2200126 4400252 5500315 11000630 20901197 22001260 41802394 83604788 104505985 209011970 418023940