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144434744 = 23102117683
BaseRepresentation
bin10001001101111…
…10011000111000
3101001210001012222
420212332120320
5243433402434
622155423212
73402450356
oct1046763070
9331701188
10144434744
1174590a63
1240454b08
1323c00a5c
141527a7d6
15ca3072e
hex89be638

144434744 has 16 divisors (see below), whose sum is σ = 271095720. Its totient is φ = 72142560.

The previous prime is 144434729. The next prime is 144434753. The reversal of 144434744 is 447434441.

144434744 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1444347442 = 41722790548691072, which contains 22 as substring.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

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, 674 + ... + 17009.

Almost surely, 2144434744 is an apocalyptic number.

It is an amenable number.

144434744 is a deficient number, since it is larger than the sum of its proper divisors (126660976).

144434744 is a wasteful number, since it uses less digits than its factorization.

144434744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18710 (or 18706 counting only the distinct ones).

The product of its digits is 86016, while the sum is 35.

The square root of 144434744 is about 12018.1006818881. The cubic root of 144434744 is about 524.6752264933.

The spelling of 144434744 in words is "one hundred forty-four million, four hundred thirty-four thousand, seven hundred forty-four".

Divisors: 1 2 4 8 1021 2042 4084 8168 17683 35366 70732 141464 18054343 36108686 72217372 144434744