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2938020 = 2235232129
BaseRepresentation
bin1011001101010010100100
312112021012120
423031102210
51223004040
6142545540
733654441
oct13152244
95467176
102938020
111727418
12b982b0
137bb397
145669c8
153d07d0
hex2cd4a4

2938020 has 48 divisors (see below), whose sum is σ = 8588160. Its totient is φ = 749056.

The previous prime is 2938009. The next prime is 2938021. The reversal of 2938020 is 208392.

It is not an unprimeable number, because it can be changed into a prime (2938021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 316 + ... + 2444.

It is an arithmetic number, because the mean of its divisors is an integer number (178920).

22938020 is an apocalyptic number.

2938020 is a gapful number since it is divisible by the number (20) 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 2938020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4294080).

2938020 is an abundant number, since it is smaller than the sum of its proper divisors (5650140).

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

2938020 is a wasteful number, since it uses less digits than its factorization.

2938020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2164 (or 2162 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 2938020 is about 1714.0653429785. The cubic root of 2938020 is about 143.2248081818.

The spelling of 2938020 in words is "two million, nine hundred thirty-eight thousand, twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 23 30 46 60 69 92 115 138 230 276 345 460 690 1380 2129 4258 6387 8516 10645 12774 21290 25548 31935 42580 48967 63870 97934 127740 146901 195868 244835 293802 489670 587604 734505 979340 1469010 2938020