Search a number
-
+
1374731420 = 22568736571
BaseRepresentation
bin101000111110000…
…1011110010011100
310112210210120222112
41101330023302130
510303412401140
6344225133152
746032011216
oct12174136234
93483716875
101374731420
11646000077
1232448a1b8
1318ba7225a
14d08155b6
1580a52c65
hex51f0bc9c

1374731420 has 12 divisors (see below), whose sum is σ = 2886936024. Its totient is φ = 549892560.

The previous prime is 1374731419. The next prime is 1374731431. The reversal of 1374731420 is 241374731.

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, 34368266 + ... + 34368305.

It is an arithmetic number, because the mean of its divisors is an integer number (240578002).

Almost surely, 21374731420 is an apocalyptic number.

1374731420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1374731420 is an abundant number, since it is smaller than the sum of its proper divisors (1512204604).

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

1374731420 is a wasteful number, since it uses less digits than its factorization.

1374731420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68736580 (or 68736578 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 32.

The square root of 1374731420 is about 37077.3707266305. The cubic root of 1374731420 is about 1111.9176385612.

The spelling of 1374731420 in words is "one billion, three hundred seventy-four million, seven hundred thirty-one thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 68736571 137473142 274946284 343682855 687365710 1374731420