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144003430 = 2517847079
BaseRepresentation
bin10001001010101…
…01000101100110
3101000222010120101
420211111011212
5243331102210
622142254314
73366003034
oct1045250546
9330863511
10144003430
11743169aa
124028739a
1323aac63c
14151a7554
15c997a3a
hex8955166

144003430 has 16 divisors (see below), whose sum is σ = 274453920. Its totient is φ = 54212992.

The previous prime is 144003421. The next prime is 144003449. The reversal of 144003430 is 34300441.

It is a junction number, because it is equal to n+sod(n) for n = 144003398 and 144003407.

It is a congruent number.

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, 423370 + ... + 423709.

It is an arithmetic number, because the mean of its divisors is an integer number (17153370).

Almost surely, 2144003430 is an apocalyptic number.

144003430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

144003430 is a deficient number, since it is larger than the sum of its proper divisors (130450490).

144003430 is a wasteful number, since it uses less digits than its factorization.

144003430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 847103.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 144003430 is about 12000.1429158156. The cubic root of 144003430 is about 524.1524404490.

Adding to 144003430 its reverse (34300441), we get a palindrome (178303871).

The spelling of 144003430 in words is "one hundred forty-four million, three thousand, four hundred thirty".

Divisors: 1 2 5 10 17 34 85 170 847079 1694158 4235395 8470790 14400343 28800686 72001715 144003430