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4247010025 = 524314532719
BaseRepresentation
bin1111110100100100…
…0011101011101001
3101221222111110111121
43331021003223221
532144213310100
61541232055241
7210146663266
oct37511035351
911858443447
104247010025
11188a365545
129a6394521
13528b581ab
142c409226d
1519ccb851a
hexfd243ae9

4247010025 has 24 divisors (see below), whose sum is σ = 5394456320. Its totient is φ = 3315090240.

The previous prime is 4247010011. The next prime is 4247010029. The reversal of 4247010025 is 5200107424.

It is not a de Polignac number, because 4247010025 - 213 = 4247001833 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (4247010029) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1560616 + ... + 1563334.

Almost surely, 24247010025 is an apocalyptic number.

It is an amenable number.

4247010025 is a deficient number, since it is larger than the sum of its proper divisors (1147446295).

4247010025 is a wasteful number, since it uses less digits than its factorization.

4247010025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4225 (or 4220 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 25.

The square root of 4247010025 is about 65169.0879558706. The cubic root of 4247010025 is about 1619.4259543364.

Adding to 4247010025 its reverse (5200107424), we get a palindrome (9447117449).

The spelling of 4247010025 in words is "four billion, two hundred forty-seven million, ten thousand, twenty-five".

Divisors: 1 5 25 43 215 1075 1453 2719 7265 13595 36325 62479 67975 116917 312395 584585 1561975 2922925 3950707 19753535 98767675 169880401 849402005 4247010025