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4939140 = 2235263313
BaseRepresentation
bin10010110101110110000100
3100021221020010
4102311312010
52231023030
6253510220
756660553
oct22656604
910257203
104939140
112873938
1217a2370
13103c18b
14927d9a
156786b0
hex4b5d84

4939140 has 48 divisors (see below), whose sum is σ = 13926528. Its totient is φ = 1307904.

The previous prime is 4939139. The next prime is 4939141. The reversal of 4939140 is 419394.

It is an interprime number because it is at equal distance from previous prime (4939139) and next prime (4939141).

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 4939098 and 4939107.

It is not an unprimeable number, because it can be changed into a prime (4939141) 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 15 ways as a sum of consecutive naturals, for example, 15624 + ... + 15936.

It is an arithmetic number, because the mean of its divisors is an integer number (290136).

Almost surely, 24939140 is an apocalyptic number.

It is an amenable number.

4939140 is an abundant number, since it is smaller than the sum of its proper divisors (8987388).

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

4939140 is a wasteful number, since it uses less digits than its factorization.

4939140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 588 (or 586 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 30.

The square root of 4939140 is about 2222.4176025221. The cubic root of 4939140 is about 170.3009662812.

The spelling of 4939140 in words is "four million, nine hundred thirty-nine thousand, one hundred forty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 263 313 526 626 789 939 1052 1252 1315 1565 1578 1878 2630 3130 3156 3756 3945 4695 5260 6260 7890 9390 15780 18780 82319 164638 246957 329276 411595 493914 823190 987828 1234785 1646380 2469570 4939140