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142081488 = 24322342899
BaseRepresentation
bin10000111011111…
…11110111010000
3100220100111011100
420131333313100
5242333101423
622033144400
73343446513
oct1035776720
9326314140
10142081488
1173223a1a
123b6bb100
13235888b3
1414c26d7a
15c718343
hex877fdd0

142081488 has 60 divisors (see below), whose sum is σ = 414928800. Its totient is φ = 45300288.

The previous prime is 142081477. The next prime is 142081493. The reversal of 142081488 is 884180241.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18138 + ... + 24761.

It is an arithmetic number, because the mean of its divisors is an integer number (6915480).

Almost surely, 2142081488 is an apocalyptic number.

142081488 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

142081488 is an abundant number, since it is smaller than the sum of its proper divisors (272847312).

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

142081488 is a wasteful number, since it uses less digits than its factorization.

142081488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42936 (or 42927 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 36.

The square root of 142081488 is about 11919.7939579508. The cubic root of 142081488 is about 521.8101216299.

The spelling of 142081488 in words is "one hundred forty-two million, eighty-one thousand, four hundred eighty-eight".

Divisors: 1 2 3 4 6 8 9 12 16 18 23 24 36 46 48 69 72 92 138 144 184 207 276 368 414 552 828 1104 1656 3312 42899 85798 128697 171596 257394 343192 386091 514788 686384 772182 986677 1029576 1544364 1973354 2059152 2960031 3088728 3946708 5920062 6177456 7893416 8880093 11840124 15786832 17760186 23680248 35520372 47360496 71040744 142081488