Search a number
-
+
5051945 = 52934841
BaseRepresentation
bin10011010001011000101001
3100111122222002
4103101120221
52243130240
6300140345
760640463
oct23213051
910448862
105051945
112940668
1218376b5
13107b622
14957133
1569bd15
hex4d1629

5051945 has 8 divisors (see below), whose sum is σ = 6271560. Its totient is φ = 3902080.

The previous prime is 5051939. The next prime is 5051947. The reversal of 5051945 is 5491505.

It can be written as a sum of positive squares in 4 ways, for example, as 92416 + 4959529 = 304^2 + 2227^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 5051945 - 28 = 5051689 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is not an unprimeable number, because it can be changed into a prime (5051947) 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, 17276 + ... + 17565.

It is an arithmetic number, because the mean of its divisors is an integer number (783945).

Almost surely, 25051945 is an apocalyptic number.

It is an amenable number.

5051945 is a deficient number, since it is larger than the sum of its proper divisors (1219615).

5051945 is a wasteful number, since it uses less digits than its factorization.

5051945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34875.

The product of its (nonzero) digits is 4500, while the sum is 29.

The square root of 5051945 is about 2247.6532205836. The cubic root of 5051945 is about 171.5877204262.

The spelling of 5051945 in words is "five million, fifty-one thousand, nine hundred forty-five".

Divisors: 1 5 29 145 34841 174205 1010389 5051945