Search a number
-
+
20224078 = 2729109457
BaseRepresentation
bin100110100100…
…1100001001110
31102001111012221
41031021201032
520134132303
62001245554
7333621220
oct115114116
942044187
1020224078
1110463716
1269338ba
134261414
142986410
151b974bd
hex134984e

20224078 has 32 divisors (see below), whose sum is σ = 36273600. Its totient is φ = 8273664.

The previous prime is 20224069. The next prime is 20224081. The reversal of 20224078 is 87042202.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44026 + ... + 44482.

It is an arithmetic number, because the mean of its divisors is an integer number (1133550).

Almost surely, 220224078 is an apocalyptic number.

20224078 is a deficient number, since it is larger than the sum of its proper divisors (16049522).

20224078 is a wasteful number, since it uses less digits than its factorization.

20224078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 604.

The product of its (nonzero) digits is 1792, while the sum is 25.

The square root of 20224078 is about 4497.1188554451. The cubic root of 20224078 is about 272.4517345710.

The spelling of 20224078 in words is "twenty million, two hundred twenty-four thousand, seventy-eight".

Divisors: 1 2 7 14 29 58 109 203 218 406 457 763 914 1526 3161 3199 6322 6398 13253 22127 26506 44254 49813 92771 99626 185542 348691 697382 1444577 2889154 10112039 20224078