Search a number
-
+
51434532 = 22322362119
BaseRepresentation
bin1100010000110…
…1010000100100
310120210010220200
43010031100210
5101131401112
65034230500
71163120622
oct304152044
9116703820
1051434532
1127040586
1215285430
13a86b346
146b8c512
1547aecdc
hex310d424

51434532 has 36 divisors (see below), whose sum is σ = 135670080. Its totient is φ = 16399152.

The previous prime is 51434491. The next prime is 51434597. The reversal of 51434532 is 23543415.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×514345322 = 5291022164118048, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 51434496 and 51434505.

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, 30232 + ... + 31887.

Almost surely, 251434532 is an apocalyptic number.

It is an amenable number.

51434532 is an abundant number, since it is smaller than the sum of its proper divisors (84235548).

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

51434532 is a wasteful number, since it uses less digits than its factorization.

51434532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62152 (or 62147 counting only the distinct ones).

The product of its digits is 7200, while the sum is 27.

The square root of 51434532 is about 7171.7872249531. The cubic root of 51434532 is about 371.8932229095.

Adding to 51434532 its reverse (23543415), we get a palindrome (74977947).

The spelling of 51434532 in words is "fifty-one million, four hundred thirty-four thousand, five hundred thirty-two".

Divisors: 1 2 3 4 6 9 12 18 23 36 46 69 92 138 207 276 414 828 62119 124238 186357 248476 372714 559071 745428 1118142 1428737 2236284 2857474 4286211 5714948 8572422 12858633 17144844 25717266 51434532