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220144051 = 19311632293
BaseRepresentation
bin11010001111100…
…10000110110011
3120100020110212101
431013302012303
5422324102201
633502241231
75312123251
oct1507620663
9510213771
10220144051
111032a1536
1261886217
13367bb16a
14213475d1
15144d7d01
hexd1f21b3

220144051 has 16 divisors (see below), whose sum is σ = 240778240. Its totient is φ = 200504160.

The previous prime is 220144019. The next prime is 220144069. The reversal of 220144051 is 150441022.

It is a cyclic number.

It is not a de Polignac number, because 220144051 - 25 = 220144019 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is not an unprimeable number, because it can be changed into a prime (220144651) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 94861 + ... + 97153.

It is an arithmetic number, because the mean of its divisors is an integer number (15048640).

Almost surely, 2220144051 is an apocalyptic number.

220144051 is a deficient number, since it is larger than the sum of its proper divisors (20634189).

220144051 is a wasteful number, since it uses less digits than its factorization.

220144051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2506.

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 220144051 is about 14837.2521377781. The cubic root of 220144051 is about 603.8128038150.

Adding to 220144051 its reverse (150441022), we get a palindrome (370585073).

The spelling of 220144051 in words is "two hundred twenty million, one hundred forty-four thousand, fifty-one".

Divisors: 1 19 31 163 589 2293 3097 5053 43567 71083 96007 373759 1350577 7101421 11586529 220144051