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144400260 = 22352406671
BaseRepresentation
bin10001001101101…
…01111110000100
3101001201021220210
420212311332010
5243431302020
622154555420
73402245004
oct1046657604
9331637823
10144400260
1174568064
1240438b70
1323bbb154
141526c004
15ca253e0
hex89b5f84

144400260 has 24 divisors (see below), whose sum is σ = 404320896. Its totient is φ = 38506720.

The previous prime is 144400253. The next prime is 144400273. The reversal of 144400260 is 62004441.

144400260 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1203276 + ... + 1203395.

It is an arithmetic number, because the mean of its divisors is an integer number (16846704).

Almost surely, 2144400260 is an apocalyptic number.

144400260 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

144400260 is an abundant number, since it is smaller than the sum of its proper divisors (259920636).

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

144400260 is a wasteful number, since it uses less digits than its factorization.

144400260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2406683 (or 2406681 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 144400260 is about 12016.6659269533. The cubic root of 144400260 is about 524.6334675183.

The spelling of 144400260 in words is "one hundred forty-four million, four hundred thousand, two hundred sixty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 2406671 4813342 7220013 9626684 12033355 14440026 24066710 28880052 36100065 48133420 72200130 144400260