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142908000 = 2535311909
BaseRepresentation
bin10001000010010…
…01101001100000
3100221220110220220
420201021221200
5243041024000
622103003040
73353461254
oct1041115140
9327813826
10142908000
1173738994
123ba39480
13237b7b61
1414da0264
15c82d1a0
hex8849a60

142908000 has 96 divisors (see below), whose sum is σ = 468205920. Its totient is φ = 38105600.

The previous prime is 142907977. The next prime is 142908037. The reversal of 142908000 is 809241.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

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, 6046 + ... + 17954.

It is an arithmetic number, because the mean of its divisors is an integer number (4877145).

Almost surely, 2142908000 is an apocalyptic number.

142908000 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 142908000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (234102960).

142908000 is an abundant number, since it is smaller than the sum of its proper divisors (325297920).

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

142908000 is a wasteful number, since it uses less digits than its factorization.

142908000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11937 (or 11919 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 24.

The square root of 142908000 is about 11954.4134109541. The cubic root of 142908000 is about 522.8199851592.

The spelling of 142908000 in words is "one hundred forty-two million, nine hundred eight thousand".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 25 30 32 40 48 50 60 75 80 96 100 120 125 150 160 200 240 250 300 375 400 480 500 600 750 800 1000 1200 1500 2000 2400 3000 4000 6000 11909 12000 23818 35727 47636 59545 71454 95272 119090 142908 178635 190544 238180 285816 297725 357270 381088 476360 571632 595450 714540 893175 952720 1143264 1190900 1429080 1488625 1786350 1905440 2381800 2858160 2977250 3572700 4465875 4763600 5716320 5954500 7145400 8931750 9527200 11909000 14290800 17863500 23818000 28581600 35727000 47636000 71454000 142908000