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3005664 = 253131239
BaseRepresentation
bin1011011101110011100000
312122200222220
423131303200
51232140124
6144231040
734355604
oct13356340
95580886
103005664
111773222
12100b480
138130cc
14583504
153e5879
hex2ddce0

3005664 has 48 divisors (see below), whose sum is σ = 7983360. Its totient is φ = 990080.

The previous prime is 3005633. The next prime is 3005671. The reversal of 3005664 is 4665003.

It is a tau number, because it is divible by the number of its divisors (48).

It is a hoax number, since the sum of its digits (24) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12457 + ... + 12695.

It is an arithmetic number, because the mean of its divisors is an integer number (166320).

Almost surely, 23005664 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 3005664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3991680).

3005664 is an abundant number, since it is smaller than the sum of its proper divisors (4977696).

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

3005664 is a wasteful number, since it uses less digits than its factorization.

3005664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 383 (or 375 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 3005664 is about 1733.6850925125. The cubic root of 3005664 is about 144.3156655417.

The spelling of 3005664 in words is "three million, five thousand, six hundred sixty-four".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 96 131 239 262 393 478 524 717 786 956 1048 1434 1572 1912 2096 2868 3144 3824 4192 5736 6288 7648 11472 12576 22944 31309 62618 93927 125236 187854 250472 375708 500944 751416 1001888 1502832 3005664