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142190416 = 2423478221
BaseRepresentation
bin10000111100110…
…10011101010000
3100220120000120201
420132122131100
5242400043131
622035344544
73344412214
oct1036323520
9326500521
10142190416
1173298845
123b752154
13235c6354
1414c54944
15c73a761
hex879a750

142190416 has 40 divisors (see below), whose sum is σ = 293624064. Its totient is φ = 66549120.

The previous prime is 142190401. The next prime is 142190417. The reversal of 142190416 is 614091241.

It is a super-2 number, since 2×1421904162 = 40436228804506112, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142190417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13186 + ... + 21406.

Almost surely, 2142190416 is an apocalyptic number.

142190416 is a gapful number since it is divisible by the number (16) 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 142190416, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (146812032).

142190416 is an abundant number, since it is smaller than the sum of its proper divisors (151433648).

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

142190416 is a wasteful number, since it uses less digits than its factorization.

142190416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8299 (or 8293 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 142190416 is about 11924.3622890283. The cubic root of 142190416 is about 521.9434376454.

The spelling of 142190416 in words is "one hundred forty-two million, one hundred ninety thousand, four hundred sixteen".

Divisors: 1 2 4 8 16 23 46 47 92 94 184 188 368 376 752 1081 2162 4324 8221 8648 16442 17296 32884 65768 131536 189083 378166 386387 756332 772774 1512664 1545548 3025328 3091096 6182192 8886901 17773802 35547604 71095208 142190416