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142492176 = 24332314341
BaseRepresentation
bin10000111111001…
…00001000010000
3100221010100112000
420133210020100
5242434222201
622050034000
73350110041
oct1037441020
9327110460
10142492176
1173484532
123b878900
13236a07c8
1414cd28c8
15c799d86
hex87e4210

142492176 has 80 divisors (see below), whose sum is σ = 426817920. Its totient is φ = 45429120.

The previous prime is 142492169. The next prime is 142492187. The reversal of 142492176 is 671294241.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 142492176.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2766 + ... + 17106.

It is an arithmetic number, because the mean of its divisors is an integer number (5335224).

Almost surely, 2142492176 is an apocalyptic number.

142492176 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 142492176, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (213408960).

142492176 is an abundant number, since it is smaller than the sum of its proper divisors (284325744).

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

142492176 is a wasteful number, since it uses less digits than its factorization.

142492176 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14381 (or 14369 counting only the distinct ones).

The product of its digits is 24192, while the sum is 36.

The square root of 142492176 is about 11937.0086705171. The cubic root of 142492176 is about 522.3124038279.

The spelling of 142492176 in words is "one hundred forty-two million, four hundred ninety-two thousand, one hundred seventy-six".

Divisors: 1 2 3 4 6 8 9 12 16 18 23 24 27 36 46 48 54 69 72 92 108 138 144 184 207 216 276 368 414 432 552 621 828 1104 1242 1656 2484 3312 4968 9936 14341 28682 43023 57364 86046 114728 129069 172092 229456 258138 329843 344184 387207 516276 659686 688368 774414 989529 1032552 1319372 1548828 1979058 2065104 2638744 2968587 3097656 3958116 5277488 5937174 6195312 7916232 8905761 11874348 15832464 17811522 23748696 35623044 47497392 71246088 142492176