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65441372 = 2231527753
BaseRepresentation
bin1111100110100…
…0111001011100
311120010202200112
43321220321130
5113223110442
610254345152
71423146113
oct371507134
9146122615
1065441372
1133a38087
1219abb1b8
1310733909
148996c7a
155b2a082
hex3e68e5c

65441372 has 12 divisors (see below), whose sum is σ = 118216896. Its totient is φ = 31665120.

The previous prime is 65441353. The next prime is 65441393. The reversal of 65441372 is 27314456.

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, 263753 + ... + 264000.

It is an arithmetic number, because the mean of its divisors is an integer number (9851408).

Almost surely, 265441372 is an apocalyptic number.

65441372 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

It is an amenable number.

65441372 is a deficient number, since it is larger than the sum of its proper divisors (52775524).

65441372 is a wasteful number, since it uses less digits than its factorization.

65441372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 527788 (or 527786 counting only the distinct ones).

The product of its digits is 20160, while the sum is 32.

The square root of 65441372 is about 8089.5841673105. The cubic root of 65441372 is about 402.9805933265.

The spelling of 65441372 in words is "sixty-five million, four hundred forty-one thousand, three hundred seventy-two".

Divisors: 1 2 4 31 62 124 527753 1055506 2111012 16360343 32720686 65441372