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3869120 = 265107113
BaseRepresentation
bin1110110000100111000000
321021120102202
432300213000
51442302440
6214532332
744613143
oct16604700
97246382
103869120
112202a22
1213670a8
13a56128
1472a05a
15516615
hex3b09c0

3869120 has 56 divisors (see below), whose sum is σ = 9381744. Its totient is φ = 1519616.

The previous prime is 3869113. The next prime is 3869123. The reversal of 3869120 is 219683.

3869120 is nontrivially palindromic in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3869123) 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, 34184 + ... + 34296.

Almost surely, 23869120 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 3869120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4690872).

3869120 is an abundant number, since it is smaller than the sum of its proper divisors (5512624).

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

3869120 is a wasteful number, since it uses less digits than its factorization.

3869120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 237 (or 227 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 3869120 is about 1967.0078800046. The cubic root of 3869120 is about 156.9895458710.

The spelling of 3869120 in words is "three million, eight hundred sixty-nine thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 32 40 64 80 107 113 160 214 226 320 428 452 535 565 856 904 1070 1130 1712 1808 2140 2260 3424 3616 4280 4520 6848 7232 8560 9040 12091 17120 18080 24182 34240 36160 48364 60455 96728 120910 193456 241820 386912 483640 773824 967280 1934560 3869120