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65670264 = 2335113783
BaseRepresentation
bin1111101010000…
…0110001111000
311120120101200000
43322200301320
5113302422024
610303313000
71425121332
oct372406170
9146511600
1065670264
1134084050
1219bab760
13107b3b5a
148a16452
155b72cc9
hex3ea0c78

65670264 has 192 divisors, whose sum is σ = 209139840. Its totient is φ = 19128960.

The previous prime is 65670263. The next prime is 65670299. The reversal of 65670264 is 46207656.

65670264 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65670263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 791167 + ... + 791249.

It is an arithmetic number, because the mean of its divisors is an integer number (1089270).

Almost surely, 265670264 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 65670264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (104569920).

65670264 is an abundant number, since it is smaller than the sum of its proper divisors (143469576).

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

65670264 is a wasteful number, since it uses less digits than its factorization.

65670264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152 (or 136 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 36.

The square root of 65670264 is about 8103.7191461699. The cubic root of 65670264 is about 403.4498769983.

The spelling of 65670264 in words is "sixty-five million, six hundred seventy thousand, two hundred sixty-four".