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125340420 = 223512311697
BaseRepresentation
bin1110111100010…
…00101100000100
322201211221201210
413132020230010
5224041343140
620234251420
73051242652
oct736105404
9281757653
10125340420
116482a127
1235b86b70
131cc7693a
1412909dd2
15b00cd80
hex7788b04

125340420 has 48 divisors (see below), whose sum is σ = 351445248. Its totient is φ = 33377280.

The previous prime is 125340401. The next prime is 125340427. The reversal of 125340420 is 24043521.

It is not an unprimeable number, because it can be changed into a prime (125340427) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 73012 + ... + 74708.

It is an arithmetic number, because the mean of its divisors is an integer number (7321776).

Almost surely, 2125340420 is an apocalyptic number.

125340420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

125340420 is an abundant number, since it is smaller than the sum of its proper divisors (226104828).

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

125340420 is a wasteful number, since it uses less digits than its factorization.

125340420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2940 (or 2938 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 125340420 is about 11195.5535816680. The cubic root of 125340420 is about 500.4534819173.

Adding to 125340420 its reverse (24043521), we get a palindrome (149383941).

The spelling of 125340420 in words is "one hundred twenty-five million, three hundred forty thousand, four hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 1231 1697 2462 3394 3693 4924 5091 6155 6788 7386 8485 10182 12310 14772 16970 18465 20364 24620 25455 33940 36930 50910 73860 101820 2089007 4178014 6267021 8356028 10445035 12534042 20890070 25068084 31335105 41780140 62670210 125340420