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99201025 = 52711291777
BaseRepresentation
bin1011110100110…
…11000000000001
320220122221020001
411322123000001
5200343413100
613502120001
72313123550
oct572330001
9226587201
1099201025
1150aa6220
1229280001
1317723c41
14d263d97
158a97d6a
hex5e9b001

99201025 has 48 divisors (see below), whose sum is σ = 158739840. Its totient is φ = 59673600.

The previous prime is 99200999. The next prime is 99201041. The reversal of 99201025 is 52010299.

It is not a de Polignac number, because 99201025 - 25 = 99200993 is a prime.

It is a super-2 number, since 2×992010252 = 19681686722101250, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 99200984 and 99201002.

It is an unprimeable number.

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 in 47 ways as a sum of consecutive naturals, for example, 54937 + ... + 56713.

It is an arithmetic number, because the mean of its divisors is an integer number (3307080).

Almost surely, 299201025 is an apocalyptic number.

It is an amenable number.

99201025 is a deficient number, since it is larger than the sum of its proper divisors (59538815).

99201025 is a wasteful number, since it uses less digits than its factorization.

99201025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1834 (or 1829 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 28.

The square root of 99201025 is about 9959.9711344963. The cubic root of 99201025 is about 462.9194052907.

The spelling of 99201025 in words is "ninety-nine million, two hundred one thousand, twenty-five".

Divisors: 1 5 7 11 25 29 35 55 77 145 175 203 275 319 385 725 1015 1595 1777 1925 2233 5075 7975 8885 11165 12439 19547 44425 51533 55825 62195 97735 136829 257665 310975 360731 488675 566863 684145 1288325 1803655 2834315 3420725 3968041 9018275 14171575 19840205 99201025