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144624852 = 223649597
BaseRepresentation
bin10001001111011…
…00110011010100
3101002010201000000
420213230303110
5244010443402
622203451300
73404201541
oct1047546324
9332121000
10144624852
1174700879
1240526b30
1323c69448
14152c9bc8
15ca6bc1c
hex89eccd4

144624852 has 42 divisors (see below), whose sum is σ = 379474298. Its totient is φ = 48207312.

The previous prime is 144624811. The next prime is 144624859. The reversal of 144624852 is 258426441.

144624852 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 88284816 + 56340036 = 9396^2 + 7506^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144624859) by changing a digit.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 21883 + ... + 27714.

Almost surely, 2144624852 is an apocalyptic number.

144624852 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

144624852 is an abundant number, since it is smaller than the sum of its proper divisors (234849446).

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

144624852 is an equidigital number, since it uses as much as digits as its factorization.

144624852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49619 (or 49602 counting only the distinct ones).

The product of its digits is 61440, while the sum is 36.

The square root of 144624852 is about 12026.0073174766. The cubic root of 144624852 is about 524.9053217023.

The spelling of 144624852 in words is "one hundred forty-four million, six hundred twenty-four thousand, eight hundred fifty-two".

Divisors: 1 2 3 4 6 9 12 18 27 36 54 81 108 162 243 324 486 729 972 1458 2916 49597 99194 148791 198388 297582 446373 595164 892746 1339119 1785492 2678238 4017357 5356476 8034714 12052071 16069428 24104142 36156213 48208284 72312426 144624852