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142943355 = 3253176519
BaseRepresentation
bin10001000010100…
…10010001111011
3100221222021102100
420201102101323
5243043141410
622103434443
73353666322
oct1041222173
9327867370
10142943355
1173762505
123ba55a23
13237cac89
1414dad0b9
15c8388c0
hex885247b

142943355 has 12 divisors (see below), whose sum is σ = 247768560. Its totient is φ = 76236432.

The previous prime is 142943351. The next prime is 142943369. The reversal of 142943355 is 553349241.

142943355 is a `hidden beast` number, since 14 + 294 + 3 + 355 = 666.

It is not a de Polignac number, because 142943355 - 22 = 142943351 is a prime.

It is not an unprimeable number, because it can be changed into a prime (142943351) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1588215 + ... + 1588304.

It is an arithmetic number, because the mean of its divisors is an integer number (20647380).

Almost surely, 2142943355 is an apocalyptic number.

142943355 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

142943355 is a deficient number, since it is larger than the sum of its proper divisors (104825205).

142943355 is a wasteful number, since it uses less digits than its factorization.

142943355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3176530 (or 3176527 counting only the distinct ones).

The product of its digits is 64800, while the sum is 36.

The square root of 142943355 is about 11955.8920620755. The cubic root of 142943355 is about 522.8630962901.

The spelling of 142943355 in words is "one hundred forty-two million, nine hundred forty-three thousand, three hundred fifty-five".

Divisors: 1 3 5 9 15 45 3176519 9529557 15882595 28588671 47647785 142943355