Search a number
-
+
22073030 = 2572107421
BaseRepresentation
bin101010000110…
…0111011000110
31112112102111122
41110030323012
521122314110
62105033542
7355421600
oct124147306
945472448
1022073030
1111506881
1274858b2
13475ab85
142d08170
151e10255
hex150cec6

22073030 has 48 divisors (see below), whose sum is σ = 46760976. Its totient is φ = 7479360.

The previous prime is 22072997. The next prime is 22073039. The reversal of 22073030 is 3037022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22073039) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 52220 + ... + 52640.

It is an arithmetic number, because the mean of its divisors is an integer number (974187).

Almost surely, 222073030 is an apocalyptic number.

22073030 is an abundant number, since it is smaller than the sum of its proper divisors (24687946).

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

22073030 is a wasteful number, since it uses less digits than its factorization.

22073030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 549 (or 542 counting only the distinct ones).

The product of its (nonzero) digits is 252, while the sum is 17.

The square root of 22073030 is about 4698.1943339968. The cubic root of 22073030 is about 280.5136405194.

The spelling of 22073030 in words is "twenty-two million, seventy-three thousand, thirty".

Divisors: 1 2 5 7 10 14 35 49 70 98 107 214 245 421 490 535 749 842 1070 1498 2105 2947 3745 4210 5243 5894 7490 10486 14735 20629 26215 29470 41258 45047 52430 90094 103145 206290 225235 315329 450470 630658 1576645 2207303 3153290 4414606 11036515 22073030