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142773108 = 22373349467
BaseRepresentation
bin10001000001010…
…00101101110100
3100221122121212220
420200220231310
5243022214413
622100042340
73352360062
oct1040505564
9327577786
10142773108
1173656605
123b9933b0
132376b63a
1414d67032
15c803223
hex8828b74

142773108 has 48 divisors (see below), whose sum is σ = 339393600. Its totient is φ = 46704384.

The previous prime is 142773107. The next prime is 142773139. The reversal of 142773108 is 801377241.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142773107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 305491 + ... + 305957.

It is an arithmetic number, because the mean of its divisors is an integer number (7070700).

Almost surely, 2142773108 is an apocalyptic number.

It is an amenable number.

142773108 is an abundant number, since it is smaller than the sum of its proper divisors (196620492).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

142773108 is a wasteful number, since it uses less digits than its factorization.

142773108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 896 (or 894 counting only the distinct ones).

The product of its (nonzero) digits is 9408, while the sum is 33.

The square root of 142773108 is about 11948.7701459188. The cubic root of 142773108 is about 522.6554353917.

The spelling of 142773108 in words is "one hundred forty-two million, seven hundred seventy-three thousand, one hundred eight".

Divisors: 1 2 3 4 6 12 73 146 219 292 349 438 467 698 876 934 1047 1396 1401 1868 2094 2802 4188 5604 25477 34091 50954 68182 76431 101908 102273 136364 152862 162983 204546 305724 325966 409092 488949 651932 977898 1955796 11897759 23795518 35693277 47591036 71386554 142773108