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145930413 = 348643471
BaseRepresentation
bin10001011001010…
…11100010101101
3101011121000220010
420230223202231
5244324233123
622251443433
73421250046
oct1054534255
9334530803
10145930413
1175412752
1240a56579
1324305775
14155498cd
15cc28993
hex8b2b8ad

145930413 has 4 divisors (see below), whose sum is σ = 194573888. Its totient is φ = 97286940.

The previous prime is 145930409. The next prime is 145930453. The reversal of 145930413 is 314039541.

145930413 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 145930413 - 22 = 145930409 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145930403) 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, 24321733 + ... + 24321738.

It is an arithmetic number, because the mean of its divisors is an integer number (48643472).

Almost surely, 2145930413 is an apocalyptic number.

It is an amenable number.

145930413 is a deficient number, since it is larger than the sum of its proper divisors (48643475).

145930413 is an equidigital number, since it uses as much as digits as its factorization.

145930413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48643474.

The product of its (nonzero) digits is 6480, while the sum is 30.

The square root of 145930413 is about 12080.1660998514. The cubic root of 145930413 is about 526.4800720085.

Adding to 145930413 its reverse (314039541), we get a palindrome (459969954).

The spelling of 145930413 in words is "one hundred forty-five million, nine hundred thirty thousand, four hundred thirteen".

Divisors: 1 3 48643471 145930413