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29609420 = 2258317837
BaseRepresentation
bin111000011110…
…0110111001100
32001201022111012
41300330313030
530040000140
62534344352
7506450561
oct160746714
961638435
1029609420
1115793aa5
129abb0b8
136199289
143d0a868
1528ed265
hex1c3cdcc

29609420 has 24 divisors (see below), whose sum is σ = 62932464. Its totient is φ = 11700416.

The previous prime is 29609417. The next prime is 29609423. The reversal of 29609420 is 2490692.

It is an interprime number because it is at equal distance from previous prime (29609417) and next prime (29609423).

It is not an unprimeable number, because it can be changed into a prime (29609423) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7259 + ... + 10578.

It is an arithmetic number, because the mean of its divisors is an integer number (2622186).

Almost surely, 229609420 is an apocalyptic number.

29609420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

29609420 is an abundant number, since it is smaller than the sum of its proper divisors (33323044).

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

29609420 is a wasteful number, since it uses less digits than its factorization.

29609420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17929 (or 17927 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 29609420 is about 5441.4538498456. The cubic root of 29609420 is about 309.3688859792.

The spelling of 29609420 in words is "twenty-nine million, six hundred nine thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 83 166 332 415 830 1660 17837 35674 71348 89185 178370 356740 1480471 2960942 5921884 7402355 14804710 29609420