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142240960 = 2653371319
BaseRepresentation
bin10000111101001…
…10110011000000
3100220122120220201
420132212303000
5242403202320
622040414544
73345012451
oct1036466300
9326576821
10142240960
1173322814
123b777454
1323613364
1414c69128
15c74a70a
hex87a6cc0

142240960 has 56 divisors (see below), whose sum is σ = 339973920. Its totient is φ = 56684544.

The previous prime is 142240949. The next prime is 142240981. The reversal of 142240960 is 69042241.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 107181 + ... + 108499.

Almost surely, 2142240960 is an apocalyptic number.

142240960 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 142240960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (169986960).

142240960 is an abundant number, since it is smaller than the sum of its proper divisors (197732960).

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

142240960 is a wasteful number, since it uses less digits than its factorization.

142240960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1673 (or 1663 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 142240960 is about 11926.4814593408. The cubic root of 142240960 is about 522.0052748742.

The spelling of 142240960 in words is "one hundred forty-two million, two hundred forty thousand, nine hundred sixty".

Divisors: 1 2 4 5 8 10 16 20 32 40 64 80 160 320 337 674 1319 1348 1685 2638 2696 3370 5276 5392 6595 6740 10552 10784 13190 13480 21104 21568 26380 26960 42208 52760 53920 84416 105520 107840 211040 422080 444503 889006 1778012 2222515 3556024 4445030 7112048 8890060 14224096 17780120 28448192 35560240 71120480 142240960