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142423176 = 233723293141
BaseRepresentation
bin10000111110100…
…11010010001000
3100220222211212110
420133103102020
5242430020201
622044342320
73346401630
oct1037232210
9326884773
10142423176
1173437705
123b8449a0
132367828c
1414cb56c0
15c7846d6
hex87d3488

142423176 has 256 divisors, whose sum is σ = 464486400. Its totient is φ = 35481600.

The previous prime is 142423163. The next prime is 142423189. The reversal of 142423176 is 671324241.

It is an interprime number because it is at equal distance from previous prime (142423163) and next prime (142423189).

It is a super-2 number, since 2×1424231762 = 40568722123853952, which contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3473716 + ... + 3473756.

It is an arithmetic number, because the mean of its divisors is an integer number (1814400).

Almost surely, 2142423176 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 142423176, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (232243200).

142423176 is an abundant number, since it is smaller than the sum of its proper divisors (322063224).

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

142423176 is a wasteful number, since it uses less digits than its factorization.

142423176 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140 (or 136 counting only the distinct ones).

The product of its digits is 8064, while the sum is 30.

The square root of 142423176 is about 11934.1181492392. The cubic root of 142423176 is about 522.2280825324.

The spelling of 142423176 in words is "one hundred forty-two million, four hundred twenty-three thousand, one hundred seventy-six".