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29313620 = 2257375659
BaseRepresentation
bin110111111010…
…0101001010100
32001011021201122
41233310221110
530001013440
62524143112
7504106310
oct157645124
961137648
1029313620
1115601836
129997a98
1360c474b
143c70b40
1528907b5
hex1bf4a54

29313620 has 48 divisors (see below), whose sum is σ = 72266880. Its totient is φ = 9777024.

The previous prime is 29313617. The next prime is 29313623. The reversal of 29313620 is 2631392.

It is an interprime number because it is at equal distance from previous prime (29313617) and next prime (29313623).

It is a self number, because there is not a number n which added to its sum of digits gives 29313620.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29313623) 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, 2351 + ... + 8009.

It is an arithmetic number, because the mean of its divisors is an integer number (1505560).

Almost surely, 229313620 is an apocalyptic number.

29313620 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 29313620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36133440).

29313620 is an abundant number, since it is smaller than the sum of its proper divisors (42953260).

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

29313620 is a wasteful number, since it uses less digits than its factorization.

29313620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5712 (or 5710 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 26.

The square root of 29313620 is about 5414.2053895286. The cubic root of 29313620 is about 308.3352312195.

The spelling of 29313620 in words is "twenty-nine million, three hundred thirteen thousand, six hundred twenty".

Divisors: 1 2 4 5 7 10 14 20 28 35 37 70 74 140 148 185 259 370 518 740 1036 1295 2590 5180 5659 11318 22636 28295 39613 56590 79226 113180 158452 198065 209383 396130 418766 792260 837532 1046915 1465681 2093830 2931362 4187660 5862724 7328405 14656810 29313620