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25212002 = 2231573491
BaseRepresentation
bin110000000101…
…1010001100010
31202102220100212
41200023101202
522423241002
62300214122
7424204244
oct140132142
952386325
1025212002
1113260172
12853a342
1352b985a
1434c4094
152330352
hex180b462

25212002 has 16 divisors (see below), whose sum is σ = 39724992. Its totient is φ = 11977680.

The previous prime is 25212001. The next prime is 25212013. The reversal of 25212002 is 20021252.

It is not an unprimeable number, because it can be changed into a prime (25212001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5477 + ... + 8967.

It is an arithmetic number, because the mean of its divisors is an integer number (2482812).

Almost surely, 225212002 is an apocalyptic number.

25212002 is a deficient number, since it is larger than the sum of its proper divisors (14512990).

25212002 is a wasteful number, since it uses less digits than its factorization.

25212002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3673.

The product of its (nonzero) digits is 80, while the sum is 14.

The square root of 25212002 is about 5021.1554447159. The cubic root of 25212002 is about 293.2259785638.

Adding to 25212002 its reverse (20021252), we get a palindrome (45233254).

The spelling of 25212002 in words is "twenty-five million, two hundred twelve thousand, two".

Divisors: 1 2 23 46 157 314 3491 3611 6982 7222 80293 160586 548087 1096174 12606001 25212002