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140415142 = 2710029653
BaseRepresentation
bin10000101111010…
…01000010100110
3100210012211100211
420113221002212
5241421241032
621533330034
73323336410
oct1027510246
9323184324
10140415142
1172295a7a
123b03691a
13231242aa
14149119b0
15c4d9747
hex85e90a6

140415142 has 8 divisors (see below), whose sum is σ = 240711696. Its totient is φ = 60177912.

The previous prime is 140415139. The next prime is 140415193. The reversal of 140415142 is 241514041.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5014813 + ... + 5014840.

It is an arithmetic number, because the mean of its divisors is an integer number (30088962).

Almost surely, 2140415142 is an apocalyptic number.

140415142 is a deficient number, since it is larger than the sum of its proper divisors (100296554).

140415142 is a wasteful number, since it uses less digits than its factorization.

140415142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10029662.

The product of its (nonzero) digits is 640, while the sum is 22.

The square root of 140415142 is about 11849.6895317979. The cubic root of 140415142 is about 519.7621471376.

Adding to 140415142 its reverse (241514041), we get a palindrome (381929183).

The spelling of 140415142 in words is "one hundred forty million, four hundred fifteen thousand, one hundred forty-two".

Divisors: 1 2 7 14 10029653 20059306 70207571 140415142