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29453140 = 2251472657
BaseRepresentation
bin111000001011…
…0101101010100
32001102101010001
41300112231110
530020000030
62531141044
7505230133
oct160265524
961371101
1029453140
1115697642
129a44784
1361430c2
143ca991a
1528bbcca
hex1c16b54

29453140 has 12 divisors (see below), whose sum is σ = 61851636. Its totient is φ = 11781248.

The previous prime is 29453113. The next prime is 29453153. The reversal of 29453140 is 4135492.

It can be written as a sum of positive squares in 2 ways, for example, as 11168964 + 18284176 = 3342^2 + 4276^2 .

It is a junction number, because it is equal to n+sod(n) for n = 29453099 and 29453108.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 736309 + ... + 736348.

It is an arithmetic number, because the mean of its divisors is an integer number (5154303).

Almost surely, 229453140 is an apocalyptic number.

29453140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

29453140 is an abundant number, since it is smaller than the sum of its proper divisors (32398496).

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

29453140 is a wasteful number, since it uses less digits than its factorization.

29453140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1472666 (or 1472664 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 29453140 is about 5427.0747184832. The cubic root of 29453140 is about 308.8236374158.

The spelling of 29453140 in words is "twenty-nine million, four hundred fifty-three thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 1472657 2945314 5890628 7363285 14726570 29453140