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29701225 = 521188049
BaseRepresentation
bin111000101001…
…1010001101001
32001212222102101
41301103101221
530100414400
62540333401
7510312331
oct161232151
961788371
1029701225
1115846a74
129b44261
1361cbcb8
143d320c1
15291a56a
hex1c53469

29701225 has 6 divisors (see below), whose sum is σ = 36829550. Its totient is φ = 23760960.

The previous prime is 29701223. The next prime is 29701241. The reversal of 29701225 is 52210792.

It can be written as a sum of positive squares in 3 ways, for example, as 5139289 + 24561936 = 2267^2 + 4956^2 .

It is not a de Polignac number, because 29701225 - 21 = 29701223 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 29701193 and 29701202.

It is not an unprimeable number, because it can be changed into a prime (29701223) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 594000 + ... + 594049.

Almost surely, 229701225 is an apocalyptic number.

29701225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

29701225 is a deficient number, since it is larger than the sum of its proper divisors (7128325).

29701225 is a wasteful number, since it uses less digits than its factorization.

29701225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1188059 (or 1188054 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 28.

The square root of 29701225 is about 5449.8830262676. The cubic root of 29701225 is about 309.6882922994.

The spelling of 29701225 in words is "twenty-nine million, seven hundred one thousand, two hundred twenty-five".

Divisors: 1 5 25 1188049 5940245 29701225