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65253894 = 2369115739
BaseRepresentation
bin1111100011101…
…1001000000110
311112210020111220
43320323020012
5113201111034
610250341210
71421435406
oct370731006
9145706456
1065253894
113391a242
1219a2a806
1310699494
148948806
155ade749
hex3e3b206

65253894 has 16 divisors (see below), whose sum is σ = 130704960. Its totient is φ = 21718440.

The previous prime is 65253893. The next prime is 65253911. The reversal of 65253894 is 49835256.

65253894 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65253893) 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 7 ways as a sum of consecutive naturals, for example, 3724 + ... + 12015.

It is an arithmetic number, because the mean of its divisors is an integer number (8169060).

Almost surely, 265253894 is an apocalyptic number.

65253894 is an abundant number, since it is smaller than the sum of its proper divisors (65451066).

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

65253894 is a wasteful number, since it uses less digits than its factorization.

65253894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16435.

The product of its digits is 259200, while the sum is 42.

The square root of 65253894 is about 8077.9882396547. The cubic root of 65253894 is about 402.5954024591.

The spelling of 65253894 in words is "sixty-five million, two hundred fifty-three thousand, eight hundred ninety-four".

Divisors: 1 2 3 6 691 1382 2073 4146 15739 31478 47217 94434 10875649 21751298 32626947 65253894