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144801998 = 2116581909
BaseRepresentation
bin10001010000110…
…00000011001110
3101002110200222222
420220120003032
5244032130443
622211335342
73405540155
oct1050300316
9332420888
10144801998
1174811980
12405b1552
1323ccbc73
141533459c
15caa4468
hex8a180ce

144801998 has 8 divisors (see below), whose sum is σ = 236948760. Its totient is φ = 65819080.

The previous prime is 144801973. The next prime is 144802019. The reversal of 144801998 is 899108441.

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

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3290933 + ... + 3290976.

It is an arithmetic number, because the mean of its divisors is an integer number (29618595).

Almost surely, 2144801998 is an apocalyptic number.

144801998 is a deficient number, since it is larger than the sum of its proper divisors (92146762).

144801998 is a wasteful number, since it uses less digits than its factorization.

144801998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6581922.

The product of its (nonzero) digits is 82944, while the sum is 44.

The square root of 144801998 is about 12033.3701846158. The cubic root of 144801998 is about 525.1195470769.

The spelling of 144801998 in words is "one hundred forty-four million, eight hundred one thousand, nine hundred ninety-eight".

Divisors: 1 2 11 22 6581909 13163818 72400999 144801998