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144424396 = 221967113251
BaseRepresentation
bin10001001101110…
…11110111001100
3101001202112000201
420212323313030
5243433040041
622155303244
73402405244
oct1046736714
9331675021
10144424396
1174584206
124044ab24
1323bc912c
1415276b24
15ca2c631
hex89bbdcc

144424396 has 48 divisors (see below), whose sum is σ = 273490560. Its totient is φ = 66528000.

The previous prime is 144424391. The next prime is 144424421. The reversal of 144424396 is 693424441.

It is not an unprimeable number, because it can be changed into a prime (144424391) 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, 575271 + ... + 575521.

It is an arithmetic number, because the mean of its divisors is an integer number (5697720).

Almost surely, 2144424396 is an apocalyptic number.

It is an amenable number.

144424396 is a deficient number, since it is larger than the sum of its proper divisors (129066164).

144424396 is a wasteful number, since it uses less digits than its factorization.

144424396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 454 (or 452 counting only the distinct ones).

The product of its digits is 82944, while the sum is 37.

The square root of 144424396 is about 12017.6701568981. The cubic root of 144424396 is about 524.6626961082.

The spelling of 144424396 in words is "one hundred forty-four million, four hundred twenty-four thousand, three hundred ninety-six".

Divisors: 1 2 4 19 38 67 76 113 134 226 251 268 452 502 1004 1273 2147 2546 4294 4769 5092 7571 8588 9538 15142 16817 19076 28363 30284 33634 56726 67268 113452 143849 287698 319523 538897 575396 639046 1077794 1278092 1900321 2155588 3800642 7601284 36106099 72212198 144424396