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29112481 is a prime number
BaseRepresentation
bin110111100001…
…1100010100001
32000210001211001
41233003202201
524423044411
62515552001
7502311016
oct157034241
960701731
1029112481
1115484702
1298bb601
136054028
143c1b70d
152850dc1
hex1bc38a1

29112481 has 2 divisors, whose sum is σ = 29112482. Its totient is φ = 29112480.

The previous prime is 29112469. The next prime is 29112497. The reversal of 29112481 is 18421192.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 26419600 + 2692881 = 5140^2 + 1641^2 .

It is a cyclic number.

It is not a de Polignac number, because 29112481 - 217 = 28981409 is a prime.

It is a super-2 number, since 2×291124812 = 1695073099950722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (29112401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14556240 + 14556241.

It is an arithmetic number, because the mean of its divisors is an integer number (14556241).

Almost surely, 229112481 is an apocalyptic number.

It is an amenable number.

29112481 is a deficient number, since it is larger than the sum of its proper divisors (1).

29112481 is an equidigital number, since it uses as much as digits as its factorization.

29112481 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1152, while the sum is 28.

The square root of 29112481 is about 5395.5982986134. The cubic root of 29112481 is about 307.6283853703.

The spelling of 29112481 in words is "twenty-nine million, one hundred twelve thousand, four hundred eighty-one".