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25214012 = 226303503
BaseRepresentation
bin110000000101…
…1110000111100
31202110000010022
41200023300330
522423322022
62300231312
7424213145
oct140136074
952400108
1025214012
111326172a
12853b538
1352ba745
1434c4acc
152330c42
hex180bc3c

25214012 has 6 divisors (see below), whose sum is σ = 44124528. Its totient is φ = 12607004.

The previous prime is 25214011. The next prime is 25214047. The reversal of 25214012 is 21041252.

It is a super-2 number, since 2×252140122 = 1271492802272288, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25214011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3151748 + ... + 3151755.

It is an arithmetic number, because the mean of its divisors is an integer number (7354088).

Almost surely, 225214012 is an apocalyptic number.

It is an amenable number.

25214012 is a deficient number, since it is larger than the sum of its proper divisors (18910516).

25214012 is a wasteful number, since it uses less digits than its factorization.

25214012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6303507 (or 6303505 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 25214012 is about 5021.3555938611. The cubic root of 25214012 is about 293.2337707330.

Adding to 25214012 its reverse (21041252), we get a palindrome (46255264).

The spelling of 25214012 in words is "twenty-five million, two hundred fourteen thousand, twelve".

Divisors: 1 2 4 6303503 12607006 25214012