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9988029 = 374567
BaseRepresentation
bin100110000110…
…011110111101
3200210110000000
4212012132331
510024104104
6554024513
7150616422
oct46063675
920713000
109988029
115702177
123418139
1320b929c
14147dd49
15d24639
hex9867bd

9988029 has 16 divisors (see below), whose sum is σ = 14983040. Its totient is φ = 6657228.

The previous prime is 9988007. The next prime is 9988057. The reversal of 9988029 is 9208899.

It is not a de Polignac number, because 9988029 - 223 = 1599421 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9988229) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 97 + ... + 4470.

It is an arithmetic number, because the mean of its divisors is an integer number (936440).

Almost surely, 29988029 is an apocalyptic number.

It is an amenable number.

9988029 is a deficient number, since it is larger than the sum of its proper divisors (4995011).

9988029 is an frugal number, since it uses more digits than its factorization.

9988029 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4588 (or 4570 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 45.

The square root of 9988029 is about 3160.3843120735. The cubic root of 9988029 is about 215.3574655502.

The spelling of 9988029 in words is "nine million, nine hundred eighty-eight thousand, twenty-nine".

Divisors: 1 3 9 27 81 243 729 2187 4567 13701 41103 123309 369927 1109781 3329343 9988029