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220044154 = 21110002007
BaseRepresentation
bin11010001110110…
…01101101111010
3120100001101211111
431013121231322
5422312403104
633500150534
75311226101
oct1507315572
9510041744
10220044154
11103233480
126183844a
1336784855
142131d038
15144b8404
hexd1d9b7a

220044154 has 8 divisors (see below), whose sum is σ = 360072288. Its totient is φ = 100020060.

The previous prime is 220044127. The next prime is 220044157. The reversal of 220044154 is 451440022.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Harshad number since it is a multiple of its sum of digits (22), and also a Moran number because the ratio is a prime number: 10002007 = 220044154 / (2 + 2 + 0 + 0 + 4 + 4 + 1 + 5 + 4).

It is not an unprimeable number, because it can be changed into a prime (220044157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5000982 + ... + 5001025.

It is an arithmetic number, because the mean of its divisors is an integer number (45009036).

Almost surely, 2220044154 is an apocalyptic number.

220044154 is a deficient number, since it is larger than the sum of its proper divisors (140028134).

220044154 is a wasteful number, since it uses less digits than its factorization.

220044154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10002020.

The product of its (nonzero) digits is 1280, while the sum is 22.

The square root of 220044154 is about 14833.8853305532. The cubic root of 220044154 is about 603.7214572421.

Adding to 220044154 its reverse (451440022), we get a palindrome (671484176).

The spelling of 220044154 in words is "two hundred twenty million, forty-four thousand, one hundred fifty-four".

Divisors: 1 2 11 22 10002007 20004014 110022077 220044154