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29989054 = 217882031
BaseRepresentation
bin111001001100…
…1100010111110
32002102121020201
41302121202332
530134122204
62550434114
7512621434
oct162314276
962377221
1029989054
1115a23247
12a06293a
1362a0004
143da8d54
1529759a4
hex1c998be

29989054 has 8 divisors (see below), whose sum is σ = 47629728. Its totient is φ = 14112480.

The previous prime is 29989027. The next prime is 29989109. The reversal of 29989054 is 45098992.

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

It is a junction number, because it is equal to n+sod(n) for n = 29988995 and 29989013.

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, 440982 + ... + 441049.

It is an arithmetic number, because the mean of its divisors is an integer number (5953716).

Almost surely, 229989054 is an apocalyptic number.

29989054 is a deficient number, since it is larger than the sum of its proper divisors (17640674).

29989054 is a wasteful number, since it uses less digits than its factorization.

29989054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 882050.

The product of its (nonzero) digits is 233280, while the sum is 46.

The square root of 29989054 is about 5476.2262553697. The cubic root of 29989054 is about 310.6854551460.

The spelling of 29989054 in words is "twenty-nine million, nine hundred eighty-nine thousand, fifty-four".

Divisors: 1 2 17 34 882031 1764062 14994527 29989054