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992391429 = 3418068223
BaseRepresentation
bin111011001001101…
…011000100000101
32120011100201010010
4323021223010011
54013023011204
6242250220433
733410121321
oct7311530405
92504321103
10992391429
1146a1a7407
12238424719
1312a7a4c83
1495b2a981
155c1cbd89
hex3b26b105

992391429 has 8 divisors (see below), whose sum is σ = 1355461632. Its totient is φ = 645457760.

The previous prime is 992391391. The next prime is 992391461. The reversal of 992391429 is 924193299.

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

It is a cyclic number.

It is not a de Polignac number, because 992391429 - 213 = 992383237 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (992391469) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4033989 + ... + 4034234.

It is an arithmetic number, because the mean of its divisors is an integer number (169432704).

Almost surely, 2992391429 is an apocalyptic number.

It is an amenable number.

992391429 is a deficient number, since it is larger than the sum of its proper divisors (363070203).

992391429 is a wasteful number, since it uses less digits than its factorization.

992391429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8068267.

The product of its digits is 314928, while the sum is 48.

The square root of 992391429 is about 31502.2448247740. The cubic root of 992391429 is about 997.4573500775.

The spelling of 992391429 in words is "nine hundred ninety-two million, three hundred ninety-one thousand, four hundred twenty-nine".

Divisors: 1 3 41 123 8068223 24204669 330797143 992391429