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42253125 = 3554507
BaseRepresentation
bin1010000100101…
…1101101000101
32221111200101120
42201023231011
541304100000
64105344153
71022100645
oct241135505
987450346
1042253125
112193a442
1212198059
1389a5265
14587c525
153a996a0
hex284bb45

42253125 has 24 divisors (see below), whose sum is σ = 70432992. Its totient is φ = 22530000.

The previous prime is 42253097. The next prime is 42253153. The reversal of 42253125 is 52135224.

Adding to 42253125 its reverse (52135224), we get a palindrome (94388349).

It is an interprime number because it is at equal distance from previous prime (42253097) and next prime (42253153).

It is not a de Polignac number, because 42253125 - 213 = 42244933 is a prime.

It is a hoax number, since the sum of its digits (24) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 42253095 and 42253104.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7122 + ... + 11628.

It is an arithmetic number, because the mean of its divisors is an integer number (2934708).

Almost surely, 242253125 is an apocalyptic number.

It is an amenable number.

42253125 is a deficient number, since it is larger than the sum of its proper divisors (28179867).

42253125 is an frugal number, since it uses more digits than its factorization.

42253125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4535 (or 4515 counting only the distinct ones).

The product of its digits is 2400, while the sum is 24.

The square root of 42253125 is about 6500.2403801706. The cubic root of 42253125 is about 348.2995752384.

The spelling of 42253125 in words is "forty-two million, two hundred fifty-three thousand, one hundred twenty-five".