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3640095 = 325233517
BaseRepresentation
bin1101111000101100011111
320211221021100
431320230133
51412440340
6210004143
742640344
oct15705437
96757240
103640095
112066948
121276653
139a5b04
146aa7cb
154bd830
hex378b1f

3640095 has 24 divisors (see below), whose sum is σ = 6585696. Its totient is φ = 1856448.

The previous prime is 3640081. The next prime is 3640121. The reversal of 3640095 is 5900463.

It is a happy number.

It is not a de Polignac number, because 3640095 - 26 = 3640031 is a prime.

It is a d-powerful number, because it can be written as 38 + 68 + 43 + 0 + 0 + 93 + 59 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 724 + ... + 2793.

It is an arithmetic number, because the mean of its divisors is an integer number (274404).

Almost surely, 23640095 is an apocalyptic number.

3640095 is a deficient number, since it is larger than the sum of its proper divisors (2945601).

3640095 is a wasteful number, since it uses less digits than its factorization.

3640095 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3551 (or 3548 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 27.

The square root of 3640095 is about 1907.9032994363. The cubic root of 3640095 is about 153.8287718503.

The spelling of 3640095 in words is "three million, six hundred forty thousand, ninety-five".

Divisors: 1 3 5 9 15 23 45 69 115 207 345 1035 3517 10551 17585 31653 52755 80891 158265 242673 404455 728019 1213365 3640095