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142736572 = 22113244013
BaseRepresentation
bin10001000000111…
…11110010111100
3100221120202202201
420200133302330
5243020032242
622055201244
73352145416
oct1040376274
9327522681
10142736572
1173631110
123b976224
1323757b14
1414d579b6
15c7e74b7
hex881fcbc

142736572 has 12 divisors (see below), whose sum is σ = 272497176. Its totient is φ = 64880240.

The previous prime is 142736549. The next prime is 142736593. The reversal of 142736572 is 275637241.

It is a happy number.

142736572 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 2×1427365722 = 40747457972622368, which contains 22 as substring.

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, 1621963 + ... + 1622050.

It is an arithmetic number, because the mean of its divisors is an integer number (22708098).

Almost surely, 2142736572 is an apocalyptic number.

It is an amenable number.

142736572 is a deficient number, since it is larger than the sum of its proper divisors (129760604).

142736572 is a wasteful number, since it uses less digits than its factorization.

142736572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3244028 (or 3244026 counting only the distinct ones).

The product of its digits is 70560, while the sum is 37.

The square root of 142736572 is about 11947.2411878224. The cubic root of 142736572 is about 522.6108486382.

The spelling of 142736572 in words is "one hundred forty-two million, seven hundred thirty-six thousand, five hundred seventy-two".

Divisors: 1 2 4 11 22 44 3244013 6488026 12976052 35684143 71368286 142736572