Search a number
-
+
45354121 = 194321291
BaseRepresentation
bin1010110100000…
…0110010001001
310011100020011021
42231000302021
543102312441
64300032441
71060334521
oct255006211
9104306137
1045354121
112366824a
1213232721
13951c877
146048681
153ead3d1
hex2b40c89

45354121 has 12 divisors (see below), whose sum is σ = 48915120. Its totient is φ = 41935320.

The previous prime is 45354103. The next prime is 45354131. The reversal of 45354121 is 12145354.

It is a happy number.

It is not a de Polignac number, because 45354121 - 27 = 45353993 is a prime.

It is not an unprimeable number, because it can be changed into a prime (45354131) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 34486 + ... + 35776.

It is an arithmetic number, because the mean of its divisors is an integer number (4076260).

Almost surely, 245354121 is an apocalyptic number.

It is an amenable number.

45354121 is a deficient number, since it is larger than the sum of its proper divisors (3560999).

45354121 is a wasteful number, since it uses less digits than its factorization.

45354121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1396 (or 1353 counting only the distinct ones).

The product of its digits is 2400, while the sum is 25.

The square root of 45354121 is about 6734.5468295944. The cubic root of 45354121 is about 356.6199089528.

Adding to 45354121 its reverse (12145354), we get a palindrome (57499475).

The spelling of 45354121 in words is "forty-five million, three hundred fifty-four thousand, one hundred twenty-one".

Divisors: 1 19 43 817 1291 1849 24529 35131 55513 1054747 2387059 45354121