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994992142 = 21136943759
BaseRepresentation
bin111011010011100…
…110000000001110
32120100020211121211
4323103212000032
54014204222032
6242422045034
733441202504
oct7323460016
92510224554
10994992142
11470713361
1223927977a
1312b1a5961
1496206674
155c542747
hex3b4e600e

994992142 has 8 divisors (see below), whose sum is σ = 1492653600. Its totient is φ = 497440944.

The previous prime is 994992113. The next prime is 994992149. The reversal of 994992142 is 241299499.

It is a happy number.

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 (994992149) 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, 859 + ... + 44617.

It is an arithmetic number, because the mean of its divisors is an integer number (186581700).

Almost surely, 2994992142 is an apocalyptic number.

994992142 is a deficient number, since it is larger than the sum of its proper divisors (497661458).

994992142 is a wasteful number, since it uses less digits than its factorization.

994992142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55130.

The product of its digits is 419904, while the sum is 49.

The square root of 994992142 is about 31543.4960332554. The cubic root of 994992142 is about 998.3279197058.

The spelling of 994992142 in words is "nine hundred ninety-four million, nine hundred ninety-two thousand, one hundred forty-two".

Divisors: 1 2 11369 22738 43759 87518 497496071 994992142