Search a number
-
+
51150742 = 283308137
BaseRepresentation
bin1100001100011…
…1111110010110
310120020201121221
43003013332112
5101043310432
65024200554
71160526346
oct303077626
9116221557
1051150742
1126967345
121516915a
13a79c116
146b16d26
154755b97
hex30c7f96

51150742 has 8 divisors (see below), whose sum is σ = 77650776. Its totient is φ = 25267152.

The previous prime is 51150733. The next prime is 51150769. The reversal of 51150742 is 24705115.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 153903 + ... + 154234.

It is an arithmetic number, because the mean of its divisors is an integer number (9706347).

Almost surely, 251150742 is an apocalyptic number.

51150742 is a deficient number, since it is larger than the sum of its proper divisors (26500034).

51150742 is a wasteful number, since it uses less digits than its factorization.

51150742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 308222.

The product of its (nonzero) digits is 1400, while the sum is 25.

The square root of 51150742 is about 7151.9746923490. The cubic root of 51150742 is about 371.2079875520.

Adding to 51150742 its reverse (24705115), we get a palindrome (75855857).

The spelling of 51150742 in words is "fifty-one million, one hundred fifty thousand, seven hundred forty-two".

Divisors: 1 2 83 166 308137 616274 25575371 51150742