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3860142 = 2311213409
BaseRepresentation
bin1110101110011010101110
321021010010020
432232122232
51442011032
6214423010
744545026
oct16563256
97233106
103860142
1121a7200
121361a66
13a52010
14726a86
15513b2c
hex3ae6ae

3860142 has 48 divisors (see below), whose sum is σ = 9161040. Its totient is φ = 1077120.

The previous prime is 3860137. The next prime is 3860147. The reversal of 3860142 is 2410683.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (3860137) and next prime (3860147).

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 congruent number.

It is not an unprimeable number, because it can be changed into a prime (3860147) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9234 + ... + 9642.

It is an arithmetic number, because the mean of its divisors is an integer number (190855).

Almost surely, 23860142 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3860142, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4580520).

3860142 is an abundant number, since it is smaller than the sum of its proper divisors (5300898).

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

3860142 is a wasteful number, since it uses less digits than its factorization.

3860142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 449 (or 438 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 3860142 is about 1964.7244081550. The cubic root of 3860142 is about 156.8680243773.

The spelling of 3860142 in words is "three million, eight hundred sixty thousand, one hundred forty-two".

Divisors: 1 2 3 6 11 13 22 26 33 39 66 78 121 143 242 286 363 409 429 726 818 858 1227 1573 2454 3146 4499 4719 5317 8998 9438 10634 13497 15951 26994 31902 49489 58487 98978 116974 148467 175461 296934 350922 643357 1286714 1930071 3860142