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144431302 = 2223323837
BaseRepresentation
bin10001001101111…
…01100011000110
3101001202212111111
420212331203012
5243433300202
622155355234
73402434341
oct1046754306
9331685444
10144431302
1174589414
1240452b1a
1323bcc312
1415279458
15ca2e6d7
hex89bd8c6

144431302 has 8 divisors (see below), whose sum is σ = 217619136. Its totient is φ = 71891592.

The previous prime is 144431279. The next prime is 144431317. The reversal of 144431302 is 203134441.

144431302 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

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, 161473 + ... + 162364.

It is an arithmetic number, because the mean of its divisors is an integer number (27202392).

Almost surely, 2144431302 is an apocalyptic number.

144431302 is a deficient number, since it is larger than the sum of its proper divisors (73187834).

144431302 is a wasteful number, since it uses less digits than its factorization.

144431302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 324062.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 144431302 is about 12017.9574803708. The cubic root of 144431302 is about 524.6710586446.

Adding to 144431302 its reverse (203134441), we get a palindrome (347565743).

The spelling of 144431302 in words is "one hundred forty-four million, four hundred thirty-one thousand, three hundred two".

Divisors: 1 2 223 446 323837 647674 72215651 144431302