Search a number
-
+
5421053154 = 2311793672833
BaseRepresentation
bin1010000110001111…
…01011010011100010
3111222210200000220110
411003013223103202
542100242200104
62253531552150
7251224122456
oct50307532342
914883600813
105421053154
112332052520
1210735bb656
13685161a7a
14395d86666
1521adc7e89
hex1431eb4e2

5421053154 has 64 divisors (see below), whose sum is σ = 12014346240. Its totient is φ = 1616958720.

The previous prime is 5421053081. The next prime is 5421053159. The reversal of 5421053154 is 4513501245.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (5421053159) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1912122 + ... + 1914954.

It is an arithmetic number, because the mean of its divisors is an integer number (187724160).

Almost surely, 25421053154 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5421053154, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6007173120).

5421053154 is an abundant number, since it is smaller than the sum of its proper divisors (6593293086).

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

5421053154 is a wasteful number, since it uses less digits than its factorization.

5421053154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3295.

The product of its (nonzero) digits is 12000, while the sum is 30.

The square root of 5421053154 is about 73627.8015018784. The cubic root of 5421053154 is about 1756.6876787371.

Adding to 5421053154 its reverse (4513501245), we get a palindrome (9934554399).

The spelling of 5421053154 in words is "five billion, four hundred twenty-one million, fifty-three thousand, one hundred fifty-four".

Divisors: 1 2 3 6 11 22 33 66 79 158 237 367 474 734 869 1101 1738 2202 2607 2833 4037 5214 5666 8074 8499 12111 16998 24222 28993 31163 57986 62326 86979 93489 173958 186978 223807 318923 447614 637846 671421 956769 1039711 1342842 1913538 2079422 2461877 3119133 4923754 6238266 7385631 11436821 14771262 22873642 34310463 68620926 82137169 164274338 246411507 492823014 903508859 1807017718 2710526577 5421053154