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142417292 = 22371277577
BaseRepresentation
bin10000111110100…
…01110110001100
3100220222112210112
420133101312030
5242424323132
622044255152
73346345523
oct1037216614
9326875715
10142417292
1173433246
123b8414b8
13236756b4
1414cb34ba
15c782ab2
hex87d1d8c

142417292 has 24 divisors (see below), whose sum is σ = 258015744. Its totient is φ = 68729472.

The previous prime is 142417291. The next prime is 142417309. The reversal of 142417292 is 292714241.

It is a happy number.

142417292 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 2×1424172922 = 40565370121226528, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (142417291) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15008 + ... + 22584.

It is an arithmetic number, because the mean of its divisors is an integer number (10750656).

Almost surely, 2142417292 is an apocalyptic number.

It is an amenable number.

142417292 is a deficient number, since it is larger than the sum of its proper divisors (115598452).

142417292 is a wasteful number, since it uses less digits than its factorization.

142417292 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7745 (or 7743 counting only the distinct ones).

The product of its digits is 8064, while the sum is 32.

The square root of 142417292 is about 11933.8716265929. The cubic root of 142417292 is about 522.2208907432.

The spelling of 142417292 in words is "one hundred forty-two million, four hundred seventeen thousand, two hundred ninety-two".

Divisors: 1 2 4 37 74 127 148 254 508 4699 7577 9398 15154 18796 30308 280349 560698 962279 1121396 1924558 3849116 35604323 71208646 142417292