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4124925 = 3552797
BaseRepresentation
bin1111101111000011111101
321202120100000
433233003331
52023444200
6224224513
750030010
oct17570375
97676300
104124925
112368132
12146b139
13b156ac
14795377
15567300
hex3ef0fd

4124925 has 72 divisors (see below), whose sum is σ = 8846656. Its totient is φ = 1866240.

The previous prime is 4124921. The next prime is 4124929. The reversal of 4124925 is 5294214.

It is an interprime number because it is at equal distance from previous prime (4124921) and next prime (4124929).

It is not a de Polignac number, because 4124925 - 22 = 4124921 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

4124925 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4124921) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 42477 + ... + 42573.

Almost surely, 24124925 is an apocalyptic number.

4124925 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4124925 is an abundant number, since it is smaller than the sum of its proper divisors (4721731).

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

4124925 is an equidigital number, since it uses as much as digits as its factorization.

4124925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129 (or 112 counting only the distinct ones).

The product of its digits is 2880, while the sum is 27.

The square root of 4124925 is about 2030.9911373514. The cubic root of 4124925 is about 160.3757445138.

The spelling of 4124925 in words is "four million, one hundred twenty-four thousand, nine hundred twenty-five".

Divisors: 1 3 5 7 9 15 21 25 27 35 45 63 75 81 97 105 135 175 189 225 243 291 315 405 485 525 567 675 679 873 945 1215 1455 1575 1701 2025 2037 2425 2619 2835 3395 4365 4725 6075 6111 7275 7857 8505 10185 13095 14175 16975 18333 21825 23571 30555 39285 42525 50925 54999 65475 91665 117855 152775 164997 196425 274995 458325 589275 824985 1374975 4124925