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154421130 = 2355147371
BaseRepresentation
bin10010011010001…
…00011110001010
3101202120101222010
421031010132022
5304012434010
623153440350
73553362243
oct1115043612
9352511863
10154421130
117a191976
12438700b6
1325cb9366
1416719cca
15d854620
hex934478a

154421130 has 16 divisors (see below), whose sum is σ = 370610784. Its totient is φ = 41178960.

The previous prime is 154421119. The next prime is 154421153. The reversal of 154421130 is 31124451.

154421130 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 154421097 and 154421106.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2573656 + ... + 2573715.

It is an arithmetic number, because the mean of its divisors is an integer number (23163174).

Almost surely, 2154421130 is an apocalyptic number.

154421130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

154421130 is an abundant number, since it is smaller than the sum of its proper divisors (216189654).

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

154421130 is a wasteful number, since it uses less digits than its factorization.

154421130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5147381.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 154421130 is about 12426.6298729784. The cubic root of 154421130 is about 536.4989900059.

Adding to 154421130 its reverse (31124451), we get a palindrome (185545581).

The spelling of 154421130 in words is "one hundred fifty-four million, four hundred twenty-one thousand, one hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 5147371 10294742 15442113 25736855 30884226 51473710 77210565 154421130