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24252242525 = 5272295871163
BaseRepresentation
bin10110100101100010…
…111101101001011101
32022121011212120101122
4112211202331221131
5344132033230100
615050305420325
71515664442300
oct264542755135
968534776348
1024252242525
11a315838845
12484a03a6a5
132396645684
141260d3ab37
1596e219985
hex5a58bda5d

24252242525 has 72 divisors (see below), whose sum is σ = 36281740320. Its totient is φ = 16015520640.

The previous prime is 24252242501. The next prime is 24252242527. The reversal of 24252242525 is 52524225242.

It is not a de Polignac number, because 24252242525 - 26 = 24252242461 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (24252242527) 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, 20852594 + ... + 20853756.

It is an arithmetic number, because the mean of its divisors is an integer number (503913060).

Almost surely, 224252242525 is an apocalyptic number.

24252242525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

24252242525 is a deficient number, since it is larger than the sum of its proper divisors (12029497795).

24252242525 is a wasteful number, since it uses less digits than its factorization.

24252242525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1803 (or 1791 counting only the distinct ones).

The product of its digits is 128000, while the sum is 35.

Adding to 24252242525 its reverse (52524225242), we get a palindrome (76776467767).

The spelling of 24252242525 in words is "twenty-four billion, two hundred fifty-two million, two hundred forty-two thousand, five hundred twenty-five".

Divisors: 1 5 7 25 29 35 49 145 175 203 245 587 725 1015 1163 1225 1421 2935 4109 5075 5815 7105 8141 14675 17023 20545 28763 29075 33727 35525 40705 56987 85115 102725 119161 143815 168635 203525 236089 284935 425575 595805 682681 719075 834127 843175 1180445 1424675 1652623 2979025 3413405 4170635 4778767 5902225 8263115 17067025 19797749 20853175 23893835 33451369 41315575 98988745 119469175 138584243 167256845 494943725 692921215 836284225 970089701 3464606075 4850448505 24252242525