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142456350 = 23526115569
BaseRepresentation
bin10000111110110…
…11011000011110
3100221001112101010
420133123120132
5242432100400
622045200050
73346600431
oct1037333036
9327045333
10142456350
117345a623
123b860026
132368a3ca
1414cc3818
15c78e450
hex87db61e

142456350 has 48 divisors (see below), whose sum is σ = 359106480. Its totient is φ = 37363200.

The previous prime is 142456297. The next prime is 142456373. The reversal of 142456350 is 53654241.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1366 + ... + 16934.

It is an arithmetic number, because the mean of its divisors is an integer number (7481385).

Almost surely, 2142456350 is an apocalyptic number.

142456350 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 142456350, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (179553240).

142456350 is an abundant number, since it is smaller than the sum of its proper divisors (216650130).

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

142456350 is a wasteful number, since it uses less digits than its factorization.

142456350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15645 (or 15640 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 30.

The square root of 142456350 is about 11935.5079489731. The cubic root of 142456350 is about 522.2686261432.

The spelling of 142456350 in words is "one hundred forty-two million, four hundred fifty-six thousand, three hundred fifty".

Divisors: 1 2 3 5 6 10 15 25 30 50 61 75 122 150 183 305 366 610 915 1525 1830 3050 4575 9150 15569 31138 46707 77845 93414 155690 233535 389225 467070 778450 949709 1167675 1899418 2335350 2849127 4748545 5698254 9497090 14245635 23742725 28491270 47485450 71228175 142456350