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142373080 = 23519316043
BaseRepresentation
bin10000111110001…
…11000011011000
3100220220022011001
420133013003120
5242421414310
622043314344
73346102603
oct1037070330
9326808131
10142373080
1173403003
123b81b9b4
132365b535
1414ca133a
15c77493a
hex87c70d8

142373080 has 64 divisors (see below), whose sum is σ = 348134400. Its totient is φ = 52202880.

The previous prime is 142373069. The next prime is 142373081. The reversal of 142373080 is 80373241.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142373081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20539 + ... + 26581.

It is an arithmetic number, because the mean of its divisors is an integer number (5439600).

Almost surely, 2142373080 is an apocalyptic number.

142373080 is a gapful number since it is divisible by the number (10) 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 142373080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (174067200).

142373080 is an abundant number, since it is smaller than the sum of its proper divisors (205761320).

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

142373080 is a wasteful number, since it uses less digits than its factorization.

142373080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6104 (or 6100 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 142373080 is about 11932.0191082650. The cubic root of 142373080 is about 522.1668457620.

The spelling of 142373080 in words is "one hundred forty-two million, three hundred seventy-three thousand, eighty".

Divisors: 1 2 4 5 8 10 19 20 31 38 40 62 76 95 124 152 155 190 248 310 380 589 620 760 1178 1240 2356 2945 4712 5890 6043 11780 12086 23560 24172 30215 48344 60430 114817 120860 187333 229634 241720 374666 459268 574085 749332 918536 936665 1148170 1498664 1873330 2296340 3559327 3746660 4592680 7118654 7493320 14237308 17796635 28474616 35593270 71186540 142373080