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3878496 = 2533672
BaseRepresentation
bin1110110010111001100000
321022001022000
432302321200
51443102441
6215044000
744652366
oct16627140
97261260
103878496
112209a76
121370600
13a5a48b
1472d636
155192b6
hex3b2e60

3878496 has 72 divisors (see below), whose sum is σ = 11483640. Its totient is φ = 1273536.

The previous prime is 3878491. The next prime is 3878519. The reversal of 3878496 is 6948783.

It is a happy number.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

3878496 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (72).

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

Its product of digits (290304) is a multiple of the sum of its prime divisors (72).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3878491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 57855 + ... + 57921.

It is an arithmetic number, because the mean of its divisors is an integer number (159495).

Almost surely, 23878496 is an apocalyptic number.

3878496 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3878496, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5741820).

3878496 is an abundant number, since it is smaller than the sum of its proper divisors (7605144).

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

3878496 is an equidigital number, since it uses as much as digits as its factorization.

3878496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153 (or 72 counting only the distinct ones).

The product of its digits is 290304, while the sum is 45.

The square root of 3878496 is about 1969.3897531977. The cubic root of 3878496 is about 157.1162539774.

The spelling of 3878496 in words is "three million, eight hundred seventy-eight thousand, four hundred ninety-six".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 27 32 36 48 54 67 72 96 108 134 144 201 216 268 288 402 432 536 603 804 864 1072 1206 1608 1809 2144 2412 3216 3618 4489 4824 6432 7236 8978 9648 13467 14472 17956 19296 26934 28944 35912 40401 53868 57888 71824 80802 107736 121203 143648 161604 215472 242406 323208 430944 484812 646416 969624 1292832 1939248 3878496