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4956640 = 255132383
BaseRepresentation
bin10010111010000111100000
3100022211020021
4102322013200
52232103030
6254123224
760062563
oct22720740
910284207
104956640
112885aa7
1217b0514
131047130
149304da
1567d97a
hex4ba1e0

4956640 has 48 divisors (see below), whose sum is σ = 12616128. Its totient is φ = 1829376.

The previous prime is 4956629. The next prime is 4956643. The reversal of 4956640 is 466594.

It is a junction number, because it is equal to n+sod(n) for n = 4956596 and 4956605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4956643) 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, 889 + ... + 3271.

It is an arithmetic number, because the mean of its divisors is an integer number (262836).

Almost surely, 24956640 is an apocalyptic number.

4956640 is a gapful number since it is divisible by the number (40) 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 4956640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6308064).

4956640 is an abundant number, since it is smaller than the sum of its proper divisors (7659488).

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

4956640 is a wasteful number, since it uses less digits than its factorization.

4956640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2411 (or 2403 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 34.

The square root of 4956640 is about 2226.3512750687. The cubic root of 4956640 is about 170.5018618488.

The spelling of 4956640 in words is "four million, nine hundred fifty-six thousand, six hundred forty".

Divisors: 1 2 4 5 8 10 13 16 20 26 32 40 52 65 80 104 130 160 208 260 416 520 1040 2080 2383 4766 9532 11915 19064 23830 30979 38128 47660 61958 76256 95320 123916 154895 190640 247832 309790 381280 495664 619580 991328 1239160 2478320 4956640