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29013825 = 352386851
BaseRepresentation
bin110111010101…
…1011101000001
32000121001111010
41232223131001
524411420300
62513511133
7501420261
oct156533501
960531433
1029013825
1115417575
1298724a9
13601b159
143bd37a1
152831a50
hex1bab741

29013825 has 12 divisors (see below), whose sum is σ = 47969648. Its totient is φ = 15474000.

The previous prime is 29013821. The next prime is 29013827. The reversal of 29013825 is 52831092.

It is a happy number.

It is not a de Polignac number, because 29013825 - 22 = 29013821 is a prime.

It is a super-2 number, since 2×290138252 = 1683604082261250, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 29013792 and 29013801.

It is not an unprimeable number, because it can be changed into a prime (29013821) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 193351 + ... + 193500.

Almost surely, 229013825 is an apocalyptic number.

29013825 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

29013825 is a deficient number, since it is larger than the sum of its proper divisors (18955823).

29013825 is a wasteful number, since it uses less digits than its factorization.

29013825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 386864 (or 386859 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 30.

The square root of 29013825 is about 5386.4482732131. The cubic root of 29013825 is about 307.2804963988.

The spelling of 29013825 in words is "twenty-nine million, thirteen thousand, eight hundred twenty-five".

Divisors: 1 3 5 15 25 75 386851 1160553 1934255 5802765 9671275 29013825