Search a number
-
+
51070412 = 2243296921
BaseRepresentation
bin1100001011010…
…0010111001100
310120002122102202
43002310113030
5101033223122
65022341032
71160043221
oct302642714
9116078382
1051070412
1126911a58
121512a778
13a7716a3
146ad5948
15473be92
hex30b45cc

51070412 has 12 divisors (see below), whose sum is σ = 91451976. Its totient is φ = 24941280.

The previous prime is 51070399. The next prime is 51070433. The reversal of 51070412 is 21407015.

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, 148289 + ... + 148632.

It is an arithmetic number, because the mean of its divisors is an integer number (7620998).

Almost surely, 251070412 is an apocalyptic number.

It is an amenable number.

51070412 is a deficient number, since it is larger than the sum of its proper divisors (40381564).

51070412 is a wasteful number, since it uses less digits than its factorization.

51070412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 296968 (or 296966 counting only the distinct ones).

The product of its (nonzero) digits is 280, while the sum is 20.

The square root of 51070412 is about 7146.3565542170. The cubic root of 51070412 is about 371.0135637764.

Adding to 51070412 its reverse (21407015), we get a palindrome (72477427).

The spelling of 51070412 in words is "fifty-one million, seventy thousand, four hundred twelve".

Divisors: 1 2 4 43 86 172 296921 593842 1187684 12767603 25535206 51070412