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29998017 = 3271921319
BaseRepresentation
bin111001001101…
…1101111000001
32002110001112200
41302123233001
530134414032
62550543413
7512656530
oct162335701
962401480
1029998017
1115a29a55
12a067b69
1362a410a
143dac317
15297847c
hex1c9bbc1

29998017 has 36 divisors (see below), whose sum is σ = 52303680. Its totient is φ = 16227216.

The previous prime is 29997991. The next prime is 29998057. The reversal of 29998017 is 71089992.

It is not a de Polignac number, because 29998017 - 26 = 29997953 is a prime.

It is not an unprimeable number, because it can be changed into a prime (29998057) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 22084 + ... + 23402.

It is an arithmetic number, because the mean of its divisors is an integer number (1452880).

Almost surely, 229998017 is an apocalyptic number.

It is an amenable number.

29998017 is a deficient number, since it is larger than the sum of its proper divisors (22305663).

29998017 is a wasteful number, since it uses less digits than its factorization.

29998017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1370 (or 1348 counting only the distinct ones).

The product of its (nonzero) digits is 81648, while the sum is 45.

The square root of 29998017 is about 5477.0445497549. The cubic root of 29998017 is about 310.7164041756.

The spelling of 29998017 in words is "twenty-nine million, nine hundred ninety-eight thousand, seventeen".

Divisors: 1 3 7 9 19 21 57 63 133 171 361 399 1083 1197 1319 2527 3249 3957 7581 9233 11871 22743 25061 27699 75183 83097 175427 225549 476159 526281 1428477 1578843 3333113 4285431 9999339 29998017