Search a number
-
+
22196928 = 263138893
BaseRepresentation
bin101010010101…
…1001011000000
31112202201110110
41110223023000
521140300203
62111431320
7356446035
oct124531300
945681413
1022196928
1111590976
127525540
1347a23a0
142d3b38c
151e36d03
hex152b2c0

22196928 has 56 divisors (see below), whose sum is σ = 63254128. Its totient is φ = 6829056.

The previous prime is 22196927. The next prime is 22196953. The reversal of 22196928 is 82969122.

It is a super-2 number, since 2×221969282 = 985407225274368, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (22196927) 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, 1951 + ... + 6942.

It is an arithmetic number, because the mean of its divisors is an integer number (1129538).

Almost surely, 222196928 is an apocalyptic number.

It is an amenable number.

22196928 is an abundant number, since it is smaller than the sum of its proper divisors (41057200).

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

22196928 is a wasteful number, since it uses less digits than its factorization.

22196928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8921 (or 8911 counting only the distinct ones).

The product of its digits is 31104, while the sum is 39.

The square root of 22196928 is about 4711.3615866329. The cubic root of 22196928 is about 281.0375114033.

The spelling of 22196928 in words is "twenty-two million, one hundred ninety-six thousand, nine hundred twenty-eight".

Divisors: 1 2 3 4 6 8 12 13 16 24 26 32 39 48 52 64 78 96 104 156 192 208 312 416 624 832 1248 2496 8893 17786 26679 35572 53358 71144 106716 115609 142288 213432 231218 284576 346827 426864 462436 569152 693654 853728 924872 1387308 1707456 1849744 2774616 3699488 5549232 7398976 11098464 22196928