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65090004 = 22371097109
BaseRepresentation
bin1111100001001…
…1000111010100
311112110220200220
43320103013110
5113130340004
610243034340
71420153530
oct370230724
9145426626
1065090004
11338180a1
121996b9b0
131063c9c5
148904bc0
155aaadd9
hex3e131d4

65090004 has 48 divisors (see below), whose sum is σ = 175190400. Its totient is φ = 18423936.

The previous prime is 65089979. The next prime is 65090009. The reversal of 65090004 is 40009056.

65090004 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 (65090009) 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 15 ways as a sum of consecutive naturals, for example, 5602 + ... + 12710.

It is an arithmetic number, because the mean of its divisors is an integer number (3649800).

Almost surely, 265090004 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 65090004, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (87595200).

65090004 is an abundant number, since it is smaller than the sum of its proper divisors (110100396).

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

65090004 is a wasteful number, since it uses less digits than its factorization.

65090004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7232 (or 7230 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 65090004 is about 8067.8376285099. The cubic root of 65090004 is about 402.2580704743.

The spelling of 65090004 in words is "sixty-five million, ninety thousand, four".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 84 109 218 327 436 654 763 1308 1526 2289 3052 4578 7109 9156 14218 21327 28436 42654 49763 85308 99526 149289 199052 298578 597156 774881 1549762 2324643 3099524 4649286 5424167 9298572 10848334 16272501 21696668 32545002 65090004