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65053648 = 24111133271
BaseRepresentation
bin1111100000101…
…0001111010000
311112102001211101
43320022033100
5113123204043
610242154144
71416642532
oct370121720
9145361741
1065053648
11337a2850
1219952954
13106292aa
1488d5852
155aa024d
hex3e0a3d0

65053648 has 40 divisors (see below), whose sum is σ = 138758976. Its totient is φ = 29299200.

The previous prime is 65053643. The next prime is 65053661. The reversal of 65053648 is 84635056.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65053643) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18253 + ... + 21523.

Almost surely, 265053648 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 65053648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69379488).

65053648 is an abundant number, since it is smaller than the sum of its proper divisors (73705328).

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

65053648 is a wasteful number, since it uses less digits than its factorization.

65053648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3403 (or 3397 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 37.

The square root of 65053648 is about 8065.5841697920. The cubic root of 65053648 is about 402.1831628223.

It can be divided in two parts, 6505 and 3648, that added together give a triangular number (10153 = T142).

The spelling of 65053648 in words is "sixty-five million, fifty-three thousand, six hundred forty-eight".

Divisors: 1 2 4 8 11 16 22 44 88 113 176 226 452 904 1243 1808 2486 3271 4972 6542 9944 13084 19888 26168 35981 52336 71962 143924 287848 369623 575696 739246 1478492 2956984 4065853 5913968 8131706 16263412 32526824 65053648