Search a number
-
+
51150414 = 2372173981
BaseRepresentation
bin1100001100011…
…1111001001110
310120020201011210
43003013321032
5101043303124
65024155250
71160525400
oct303077116
9116221153
1051150414
1126967077
1215168b26
13a79bc23
146b16b70
154755a29
hex30c7e4e

51150414 has 24 divisors (see below), whose sum is σ = 119003688. Its totient is φ = 14614320.

The previous prime is 51150397. The next prime is 51150431. The reversal of 51150414 is 41405115.

It is an interprime number because it is at equal distance from previous prime (51150397) and next prime (51150431).

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 86697 + ... + 87284.

It is an arithmetic number, because the mean of its divisors is an integer number (4958487).

Almost surely, 251150414 is an apocalyptic number.

51150414 is an abundant number, since it is smaller than the sum of its proper divisors (67853274).

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

51150414 is a wasteful number, since it uses less digits than its factorization.

51150414 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174000 (or 173993 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 21.

The square root of 51150414 is about 7151.9517615823. The cubic root of 51150414 is about 371.2071941032.

Adding to 51150414 its reverse (41405115), we get a palindrome (92555529).

The spelling of 51150414 in words is "fifty-one million, one hundred fifty thousand, four hundred fourteen".

Divisors: 1 2 3 6 7 14 21 42 49 98 147 294 173981 347962 521943 1043886 1217867 2435734 3653601 7307202 8525069 17050138 25575207 51150414