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65425312 = 252044541
BaseRepresentation
bin1111100110010…
…0111110100000
311120002221122201
43321210332200
5113222102222
610254142544
71423051231
oct371447640
9146087581
1065425312
1133a27007
1219ab1a54
1310729504
148991088
155b25427
hex3e64fa0

65425312 has 12 divisors (see below), whose sum is σ = 128806146. Its totient is φ = 32712640.

The previous prime is 65425307. The next prime is 65425337. The reversal of 65425312 is 21352456.

It can be written as a sum of positive squares in only one way, i.e., 34999056 + 30426256 = 5916^2 + 5516^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1022239 + ... + 1022302.

Almost surely, 265425312 is an apocalyptic number.

It is an amenable number.

65425312 is a deficient number, since it is larger than the sum of its proper divisors (63380834).

65425312 is a wasteful number, since it uses less digits than its factorization.

65425312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2044551 (or 2044543 counting only the distinct ones).

The product of its digits is 7200, while the sum is 28.

The square root of 65425312 is about 8088.5914719437. The cubic root of 65425312 is about 402.9476254061.

Adding to 65425312 its reverse (21352456), we get a palindrome (86777768).

The spelling of 65425312 in words is "sixty-five million, four hundred twenty-five thousand, three hundred twelve".

Divisors: 1 2 4 8 16 32 2044541 4089082 8178164 16356328 32712656 65425312