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142051574 = 2710146541
BaseRepresentation
bin10000111011110…
…00100011110110
3100220021222010102
420131320203312
5242331122244
622032354102
73343263350
oct1035704366
9326258112
10142051574
11732034a5
123b6a5932
13235780b2
1414c1a0d0
15c70e54e
hex87788f6

142051574 has 8 divisors (see below), whose sum is σ = 243517008. Its totient is φ = 60879240.

The previous prime is 142051571. The next prime is 142051597. The reversal of 142051574 is 475150241.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142051571) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5073257 + ... + 5073284.

It is an arithmetic number, because the mean of its divisors is an integer number (30439626).

Almost surely, 2142051574 is an apocalyptic number.

142051574 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

142051574 is a deficient number, since it is larger than the sum of its proper divisors (101465434).

142051574 is a wasteful number, since it uses less digits than its factorization.

142051574 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10146550.

The product of its (nonzero) digits is 5600, while the sum is 29.

The square root of 142051574 is about 11918.5390883279. The cubic root of 142051574 is about 521.7734982250.

The spelling of 142051574 in words is "one hundred forty-two million, fifty-one thousand, five hundred seventy-four".

Divisors: 1 2 7 14 10146541 20293082 71025787 142051574