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29130396 = 2233765609
BaseRepresentation
bin110111100011…
…1111010011100
32000210222101120
41233013322130
524424133041
62520210540
7502414161
oct157077234
960728346
1029130396
1115497109
129909a50
13605c229
143c24068
152856366
hex1bc7e9c

29130396 has 24 divisors (see below), whose sum is σ = 69809040. Its totient is φ = 9447552.

The previous prime is 29130391. The next prime is 29130407. The reversal of 29130396 is 69303192.

It is a super-2 number, since 2×291303962 = 1697159942233632, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29130391) 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, 32361 + ... + 33248.

It is an arithmetic number, because the mean of its divisors is an integer number (2908710).

Almost surely, 229130396 is an apocalyptic number.

It is an amenable number.

29130396 is an abundant number, since it is smaller than the sum of its proper divisors (40678644).

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

29130396 is a wasteful number, since it uses less digits than its factorization.

29130396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65653 (or 65651 counting only the distinct ones).

The product of its (nonzero) digits is 8748, while the sum is 33.

The square root of 29130396 is about 5397.2581928235. The cubic root of 29130396 is about 307.6914743759.

The spelling of 29130396 in words is "twenty-nine million, one hundred thirty thousand, three hundred ninety-six".

Divisors: 1 2 3 4 6 12 37 74 111 148 222 444 65609 131218 196827 262436 393654 787308 2427533 4855066 7282599 9710132 14565198 29130396