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734049381 = 31318821779
BaseRepresentation
bin101011110000001…
…011010001100101
31220011020120110010
4223300023101211
53000404040011
6200501120433
724122213442
oct5360132145
91804216403
10734049381
1134739618a
121859b9119
13b9101560
146d6bc9c9
154469b1a6
hex2bc0b465

734049381 has 8 divisors (see below), whose sum is σ = 1054019680. Its totient is φ = 451722672.

The previous prime is 734049373. The next prime is 734049391. The reversal of 734049381 is 183940437.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 734049381 - 23 = 734049373 is a prime.

It is a super-2 number, since 2×7340493812 = 1077656987492966322, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39), and also a Moran number because the ratio is a prime number: 18821779 = 734049381 / (7 + 3 + 4 + 0 + 4 + 9 + 3 + 8 + 1).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (734049331) 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, 9410851 + ... + 9410928.

It is an arithmetic number, because the mean of its divisors is an integer number (131752460).

Almost surely, 2734049381 is an apocalyptic number.

It is an amenable number.

734049381 is a deficient number, since it is larger than the sum of its proper divisors (319970299).

734049381 is a wasteful number, since it uses less digits than its factorization.

734049381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18821795.

The product of its (nonzero) digits is 72576, while the sum is 39.

The square root of 734049381 is about 27093.3456959453. The cubic root of 734049381 is about 902.0731553753.

The spelling of 734049381 in words is "seven hundred thirty-four million, forty-nine thousand, three hundred eighty-one".

Divisors: 1 3 13 39 18821779 56465337 244683127 734049381