Search a number
-
+
2451404140 = 225122570207
BaseRepresentation
bin1001001000011101…
…0111010101101100
320022211202020021221
42102013113111230
520010024413030
61043130033124
7114514406563
oct22207272554
96284666257
102451404140
111048832239
12584b787a4
13300b461c3
14193800bda
15e532be7a
hex921d756c

2451404140 has 12 divisors (see below), whose sum is σ = 5147948736. Its totient is φ = 980561648.

The previous prime is 2451404057. The next prime is 2451404161. The reversal of 2451404140 is 414041542.

2451404140 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61285084 + ... + 61285123.

It is an arithmetic number, because the mean of its divisors is an integer number (428995728).

Almost surely, 22451404140 is an apocalyptic number.

2451404140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2451404140 is an abundant number, since it is smaller than the sum of its proper divisors (2696544596).

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

2451404140 is a wasteful number, since it uses less digits than its factorization.

2451404140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122570216 (or 122570214 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 25.

The square root of 2451404140 is about 49511.6566073081. The cubic root of 2451404140 is about 1348.3572409458.

Adding to 2451404140 its reverse (414041542), we get a palindrome (2865445682).

The spelling of 2451404140 in words is "two billion, four hundred fifty-one million, four hundred four thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 122570207 245140414 490280828 612851035 1225702070 2451404140