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144636270 = 2354821209
BaseRepresentation
bin10001001111011…
…11100101101110
3101002011021122220
420213233211232
5244011330040
622204020210
73404250042
oct1047574556
9332137586
10144636270
1174709409
1240531666
1323c716bc
14152d0022
15ca702d0
hex89ef96e

144636270 has 16 divisors (see below), whose sum is σ = 347127120. Its totient is φ = 38569664.

The previous prime is 144636269. The next prime is 144636277. The reversal of 144636270 is 72636441.

It is a happy number.

144636270 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144636277) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2410575 + ... + 2410634.

It is an arithmetic number, because the mean of its divisors is an integer number (21695445).

Almost surely, 2144636270 is an apocalyptic number.

144636270 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

144636270 is an abundant number, since it is smaller than the sum of its proper divisors (202490850).

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

144636270 is a wasteful number, since it uses less digits than its factorization.

144636270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4821219.

The product of its (nonzero) digits is 24192, while the sum is 33.

The square root of 144636270 is about 12026.4820292553. The cubic root of 144636270 is about 524.9191349374.

The spelling of 144636270 in words is "one hundred forty-four million, six hundred thirty-six thousand, two hundred seventy".

Divisors: 1 2 3 5 6 10 15 30 4821209 9642418 14463627 24106045 28927254 48212090 72318135 144636270