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29445860 = 2251472293
BaseRepresentation
bin111000001010…
…0111011100100
32001102000010102
41300110323210
530014231420
62531043232
7505166663
oct160247344
961360112
1029445860
1115692124
129a40518
13613c9b2
143ca6dda
1528b9a75
hex1c14ee4

29445860 has 12 divisors (see below), whose sum is σ = 61836348. Its totient is φ = 11778336.

The previous prime is 29445851. The next prime is 29445863. The reversal of 29445860 is 6854492.

It can be written as a sum of positive squares in 2 ways, for example, as 14868736 + 14577124 = 3856^2 + 3818^2 .

It is a super-2 number, since 2×294458602 = 1734117342279200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (29445863) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 736127 + ... + 736166.

It is an arithmetic number, because the mean of its divisors is an integer number (5153029).

Almost surely, 229445860 is an apocalyptic number.

29445860 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

29445860 is an abundant number, since it is smaller than the sum of its proper divisors (32390488).

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

29445860 is a wasteful number, since it uses less digits than its factorization.

29445860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1472302 (or 1472300 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 38.

The square root of 29445860 is about 5426.4039657954. The cubic root of 29445860 is about 308.7981911042.

The spelling of 29445860 in words is "twenty-nine million, four hundred forty-five thousand, eight hundred sixty".

Divisors: 1 2 4 5 10 20 1472293 2944586 5889172 7361465 14722930 29445860