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142200620 = 22537593257
BaseRepresentation
bin10000111100111…
…00111100101100
3100220120112120122
420132130330230
5242400404440
622035504112
73344454032
oct1036347454
9326515518
10142200620
11732a5481
123b758038
13235caba3
1414c58552
15c73d7b5
hex879cf2c

142200620 has 48 divisors (see below), whose sum is σ = 311986080. Its totient is φ = 54388224.

The previous prime is 142200593. The next prime is 142200629. The reversal of 142200620 is 26002241.

It is not an unprimeable number, because it can be changed into a prime (142200629) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42032 + ... + 45288.

It is an arithmetic number, because the mean of its divisors is an integer number (6499710).

Almost surely, 2142200620 is an apocalyptic number.

142200620 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 142200620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (155993040).

142200620 is an abundant number, since it is smaller than the sum of its proper divisors (169785460).

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

142200620 is a wasteful number, since it uses less digits than its factorization.

142200620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3362 (or 3360 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 142200620 is about 11924.7901449040. The cubic root of 142200620 is about 521.9559227424.

Adding to 142200620 its reverse (26002241), we get a palindrome (168202861).

The spelling of 142200620 in words is "one hundred forty-two million, two hundred thousand, six hundred twenty".

Divisors: 1 2 4 5 10 20 37 59 74 118 148 185 236 295 370 590 740 1180 2183 3257 4366 6514 8732 10915 13028 16285 21830 32570 43660 65140 120509 192163 241018 384326 482036 602545 768652 960815 1205090 1921630 2410180 3843260 7110031 14220062 28440124 35550155 71100310 142200620