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29400490 = 2572292069
BaseRepresentation
bin111000000100…
…1110110101010
32001022200220001
41300021312222
530011303430
62530053214
7504620500
oct160116652
961280801
1029400490
1115661029
129a1a20a
136125152
143c94670
1528ab3ca
hex1c09daa

29400490 has 48 divisors (see below), whose sum is σ = 63714600. Its totient is φ = 9727872.

The previous prime is 29400487. The next prime is 29400491. The reversal of 29400490 is 9400492.

It can be written as a sum of positive squares in 4 ways, for example, as 18896409 + 10504081 = 4347^2 + 3241^2 .

It is not an unprimeable number, because it can be changed into a prime (29400491) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13176 + ... + 15244.

Almost surely, 229400490 is an apocalyptic number.

29400490 is an abundant number, since it is smaller than the sum of its proper divisors (34314110).

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

29400490 is a wasteful number, since it uses less digits than its factorization.

29400490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2119 (or 2112 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 29400490 is about 5422.2218693078. The cubic root of 29400490 is about 308.6395114608.

It can be divided in two parts, 29400 and 490, that added together give a triangular number (29890 = T244).

The spelling of 29400490 in words is "twenty-nine million, four hundred thousand, four hundred ninety".

Divisors: 1 2 5 7 10 14 29 35 49 58 70 98 145 203 245 290 406 490 1015 1421 2030 2069 2842 4138 7105 10345 14210 14483 20690 28966 60001 72415 101381 120002 144830 202762 300005 420007 506905 600010 840014 1013810 2100035 2940049 4200070 5880098 14700245 29400490