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144935434 = 2721478933
BaseRepresentation
bin10001010001110…
…00101000001010
3101002201111001001
420220320220022
5244100413214
622214245214
73406634200
oct1050705012
9332644031
10144935434
11748a3156
124065680a
1324047917
141536b070
15cacdc74
hex8a38a0a

144935434 has 12 divisors (see below), whose sum is σ = 252897714. Its totient is φ = 62115144.

The previous prime is 144935431. The next prime is 144935437. The reversal of 144935434 is 434539441.

It is an interprime number because it is at equal distance from previous prime (144935431) and next prime (144935437).

It can be written as a sum of positive squares in only one way, i.e., 144120025 + 815409 = 12005^2 + 903^2 .

It is a junction number, because it is equal to n+sod(n) for n = 144935393 and 144935402.

It is not an unprimeable number, because it can be changed into a prime (144935431) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 739369 + ... + 739564.

Almost surely, 2144935434 is an apocalyptic number.

144935434 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

144935434 is a deficient number, since it is larger than the sum of its proper divisors (107962280).

144935434 is a wasteful number, since it uses less digits than its factorization.

144935434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1478949 (or 1478942 counting only the distinct ones).

The product of its digits is 103680, while the sum is 37.

The square root of 144935434 is about 12038.9133230537. The cubic root of 144935434 is about 525.2807979357.

The spelling of 144935434 in words is "one hundred forty-four million, nine hundred thirty-five thousand, four hundred thirty-four".

Divisors: 1 2 7 14 49 98 1478933 2957866 10352531 20705062 72467717 144935434