Search a number
-
+
54350490 = 2351811683
BaseRepresentation
bin1100111101010…
…1001010011010
310210021021212010
43033111022122
5102403203430
65220530350
71226654145
oct317251232
9123237763
1054350490
1128752367
12162509b6
13b34c66c
14730b05c
154b88cb0
hex33d529a

54350490 has 16 divisors (see below), whose sum is σ = 130441248. Its totient is φ = 14493456.

The previous prime is 54350473. The next prime is 54350497. The reversal of 54350490 is 9405345.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 1811683 = 54350490 / (5 + 4 + 3 + 5 + 0 + 4 + 9 + 0).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (54350497) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 905812 + ... + 905871.

It is an arithmetic number, because the mean of its divisors is an integer number (8152578).

Almost surely, 254350490 is an apocalyptic number.

54350490 is an abundant number, since it is smaller than the sum of its proper divisors (76090758).

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

54350490 is a wasteful number, since it uses less digits than its factorization.

54350490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1811693.

The product of its (nonzero) digits is 10800, while the sum is 30.

The square root of 54350490 is about 7372.2784809040. The cubic root of 54350490 is about 378.7923108414.

The spelling of 54350490 in words is "fifty-four million, three hundred fifty thousand, four hundred ninety".

Divisors: 1 2 3 5 6 10 15 30 1811683 3623366 5435049 9058415 10870098 18116830 27175245 54350490