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142211464 = 232572632
BaseRepresentation
bin10000111100111…
…11100110001000
3100220121002110021
420132133212020
5242401231324
622040030224
73344530453
oct1036374610
9326532407
10142211464
117330263a
123b762374
1323602ac5
1414c5c49a
15c741ae4
hex879f988

142211464 has 24 divisors (see below), whose sum is σ = 268705710. Its totient is φ = 70559744.

The previous prime is 142211429. The next prime is 142211479. The reversal of 142211464 is 464112241.

142211464 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 79959364 + 62252100 = 8942^2 + 7890^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 540597 + ... + 540859.

Almost surely, 2142211464 is an apocalyptic number.

It is an amenable number.

142211464 is a deficient number, since it is larger than the sum of its proper divisors (126494246).

142211464 is an equidigital number, since it uses as much as digits as its factorization.

142211464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 789 (or 522 counting only the distinct ones).

The product of its digits is 1536, while the sum is 25.

The square root of 142211464 is about 11925.2448192899. The cubic root of 142211464 is about 521.9691902565.

The spelling of 142211464 in words is "one hundred forty-two million, two hundred eleven thousand, four hundred sixty-four".

Divisors: 1 2 4 8 257 263 514 526 1028 1052 2056 2104 67591 69169 135182 138338 270364 276676 540728 553352 17776433 35552866 71105732 142211464