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134747420 = 2256737371
BaseRepresentation
bin10000000100000…
…01010100011100
3100101112212201012
420002001110130
5233443404140
621212034352
73224222423
oct1002012434
9311485635
10134747420
116a074805
12391629b8
1321bbb602
1413c782ba
15bc6a265
hex808151c

134747420 has 12 divisors (see below), whose sum is σ = 282969624. Its totient is φ = 53898960.

The previous prime is 134747407. The next prime is 134747461. The reversal of 134747420 is 24747431.

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, 3368666 + ... + 3368705.

It is an arithmetic number, because the mean of its divisors is an integer number (23580802).

Almost surely, 2134747420 is an apocalyptic number.

134747420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

134747420 is an abundant number, since it is smaller than the sum of its proper divisors (148222204).

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

134747420 is a wasteful number, since it uses less digits than its factorization.

134747420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6737380 (or 6737378 counting only the distinct ones).

The product of its (nonzero) digits is 18816, while the sum is 32.

The square root of 134747420 is about 11608.0756372450. The cubic root of 134747420 is about 512.6726541031.

The spelling of 134747420 in words is "one hundred thirty-four million, seven hundred forty-seven thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 6737371 13474742 26949484 33686855 67373710 134747420