Search a number
-
+
2097228 = 223724967
BaseRepresentation
bin1000000000000001001100
310221112212010
420000001030
51014102403
6112541220
723553240
oct10000114
93845763
102097228
111202751
12851810
13585783
143c8420
152b6603
hex20004c

2097228 has 24 divisors (see below), whose sum is σ = 5592832. Its totient is φ = 599184.

The previous prime is 2097223. The next prime is 2097229. The reversal of 2097228 is 8227902.

It is a d-powerful number, because it can be written as 2 + 0 + 9 + 72 + 23 + 221 + 8 .

It is a junction number, because it is equal to n+sod(n) for n = 2097195 and 2097204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2097223) 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, 12400 + ... + 12567.

22097228 is an apocalyptic number.

2097228 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

2097228 is an abundant number, since it is smaller than the sum of its proper divisors (3495604).

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

2097228 is a wasteful number, since it uses less digits than its factorization.

2097228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24981 (or 24979 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 30.

The square root of 2097228 is about 1448.1809279230. The cubic root of 2097228 is about 128.0015462053.

The spelling of 2097228 in words is "two million, ninety-seven thousand, two hundred twenty-eight".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 84 24967 49934 74901 99868 149802 174769 299604 349538 524307 699076 1048614 2097228