Search a number
-
+
2850920 = 235263271
BaseRepresentation
bin1010111000000001101000
312100211201122
422320001220
51212212140
6141034412
733142502
oct12700150
95324648
102850920
111677a36
12b55a08
1378a847
14542d72
153b4ab5
hex2b8068

2850920 has 32 divisors (see below), whose sum is σ = 6462720. Its totient is φ = 1131840.

The previous prime is 2850899. The next prime is 2850929. The reversal of 2850920 is 290582.

It is a self number, because there is not a number n which added to its sum of digits gives 2850920.

It is not an unprimeable number, because it can be changed into a prime (2850929) 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, 10385 + ... + 10655.

It is an arithmetic number, because the mean of its divisors is an integer number (201960).

22850920 is an apocalyptic number.

2850920 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2850920 is an abundant number, since it is smaller than the sum of its proper divisors (3611800).

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

2850920 is a wasteful number, since it uses less digits than its factorization.

2850920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 545 (or 541 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 2850920 is about 1688.4667601111. The cubic root of 2850920 is about 141.7952481195.

The spelling of 2850920 in words is "two million, eight hundred fifty thousand, nine hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 263 271 526 542 1052 1084 1315 1355 2104 2168 2630 2710 5260 5420 10520 10840 71273 142546 285092 356365 570184 712730 1425460 2850920