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144700308 = 22327355061
BaseRepresentation
bin10001001111111…
…11001110010100
3101002021112111200
420213333032110
5244020402213
622205232500
73404634534
oct1047771624
9332245450
10144700308
1174752535
1240562730
1323c948ac
14153094c4
15ca84273
hex89ff394

144700308 has 36 divisors (see below), whose sum is σ = 370787508. Its totient is φ = 47571840.

The previous prime is 144700279. The next prime is 144700313. The reversal of 144700308 is 803007441.

It can be written as a sum of positive squares in 2 ways, for example, as 74442384 + 70257924 = 8628^2 + 8382^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24903 + ... + 30158.

It is an arithmetic number, because the mean of its divisors is an integer number (10299653).

Almost surely, 2144700308 is an apocalyptic number.

144700308 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

144700308 is an abundant number, since it is smaller than the sum of its proper divisors (226087200).

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

144700308 is a wasteful number, since it uses less digits than its factorization.

144700308 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55144 (or 55139 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 144700308 is about 12029.1441092041. The cubic root of 144700308 is about 524.9965931752.

Adding to 144700308 its reverse (803007441), we get a palindrome (947707749).

The spelling of 144700308 in words is "one hundred forty-four million, seven hundred thousand, three hundred eight".

Divisors: 1 2 3 4 6 9 12 18 36 73 146 219 292 438 657 876 1314 2628 55061 110122 165183 220244 330366 495549 660732 991098 1982196 4019453 8038906 12058359 16077812 24116718 36175077 48233436 72350154 144700308