Search a number
-
+
29729700 = 223352711213
BaseRepresentation
bin111000101101…
…0001110100100
32001221102111000
41301122032210
530102322300
62541113300
7510461340
oct161321644
961842430
1029729700
1115866400
129b58830
13620bc50
143d3c620
152923c00
hex1c5a3a4

29729700 has 432 divisors, whose sum is σ = 129297280. Its totient is φ = 5702400.

The previous prime is 29729683. The next prime is 29729717. The reversal of 29729700 is 792792.

It is an interprime number because it is at equal distance from previous prime (29729683) and next prime (29729717).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 2286894 + ... + 2286906.

Almost surely, 229729700 is an apocalyptic number.

29729700 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 29729700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64648640).

29729700 is an abundant number, since it is smaller than the sum of its proper divisors (99567580).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

29729700 is a wasteful number, since it uses less digits than its factorization.

29729700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65 (or 41 counting only the distinct ones).

The product of its (nonzero) digits is 15876, while the sum is 36.

The square root of 29729700 is about 5452.4948418132. The cubic root of 29729700 is about 309.7872282582.

It can be divided in two parts, 297 and 29700, that multiplied together give a square (8820900 = 29702).

The spelling of 29729700 in words is "twenty-nine million, seven hundred twenty-nine thousand, seven hundred".