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144912426 = 2324152071
BaseRepresentation
bin10001010001100…
…11000000101010
3101002200022110220
420220303000222
5244044144201
622213550510
73406510131
oct1050630052
9332608426
10144912426
117488793a
1240645436
132403a2c9
1415362918
15cac7036
hex8a3302a

144912426 has 8 divisors (see below), whose sum is σ = 289824864. Its totient is φ = 48304140.

The previous prime is 144912389. The next prime is 144912431. The reversal of 144912426 is 624219441.

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

144912426 is an admirable number.

It is a super-2 number, since 2×1449124262 = 41999222418410952, which contains 22 as substring.

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, 12076030 + ... + 12076041.

It is an arithmetic number, because the mean of its divisors is an integer number (36228108).

Almost surely, 2144912426 is an apocalyptic number.

144912426 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

144912426 is a wasteful number, since it uses less digits than its factorization.

144912426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24152076.

The product of its digits is 13824, while the sum is 33.

The square root of 144912426 is about 12037.9577171545. The cubic root of 144912426 is about 525.2530009601.

The spelling of 144912426 in words is "one hundred forty-four million, nine hundred twelve thousand, four hundred twenty-six".

Divisors: 1 2 3 6 24152071 48304142 72456213 144912426