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3809380 = 225792411
BaseRepresentation
bin1110100010000001100100
321011112111011
432202001210
51433400010
6213352004
744244031
oct16420144
97145434
103809380
112172053
121338604
13a34b93
14712388
15503a8a
hex3a2064

3809380 has 24 divisors (see below), whose sum is σ = 8104320. Its totient is φ = 1503840.

The previous prime is 3809369. The next prime is 3809381. The reversal of 3809380 is 839083.

It is a super-2 number, since 2×38093802 = 29022751968800, which contains 22 as substring.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (3809381) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 375 + ... + 2785.

It is an arithmetic number, because the mean of its divisors is an integer number (337680).

Almost surely, 23809380 is an apocalyptic number.

It is an amenable number.

3809380 is an abundant number, since it is smaller than the sum of its proper divisors (4294940).

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

3809380 is a wasteful number, since it uses less digits than its factorization.

3809380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2499 (or 2497 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 3809380 is about 1951.7633053216. The cubic root of 3809380 is about 156.1773678425.

The spelling of 3809380 in words is "three million, eight hundred nine thousand, three hundred eighty".

Divisors: 1 2 4 5 10 20 79 158 316 395 790 1580 2411 4822 9644 12055 24110 48220 190469 380938 761876 952345 1904690 3809380