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7000245 = 325771313
BaseRepresentation
bin11010101101000010110101
3111011122112100
4122231002311
53243001440
6410012313
7113333610
oct32550265
914148470
107000245
113a5142a
122417099
1315b1375
14d03177
15934230
hex6ad0b5

7000245 has 48 divisors (see below), whose sum is σ = 14107392. Its totient is φ = 3144960.

The previous prime is 7000241. The next prime is 7000249. The reversal of 7000245 is 5420007.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (7000241) and next prime (7000249).

It is not a de Polignac number, because 7000245 - 22 = 7000241 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7000241) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 22209 + ... + 22521.

It is an arithmetic number, because the mean of its divisors is an integer number (293904).

Almost surely, 27000245 is an apocalyptic number.

It is an amenable number.

7000245 is an abundant number, since it is smaller than the sum of its proper divisors (7107147).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7000245 is a wasteful number, since it uses less digits than its factorization.

7000245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 402 (or 399 counting only the distinct ones).

The product of its (nonzero) digits is 280, while the sum is 18.

The square root of 7000245 is about 2645.7976113074. The cubic root of 7000245 is about 191.2953500042.

The spelling of 7000245 in words is "seven million, two hundred forty-five", and thus it is an aban number.

Divisors: 1 3 5 7 9 15 21 35 45 63 71 105 213 313 315 355 497 639 939 1065 1491 1565 2191 2485 2817 3195 4473 4695 6573 7455 10955 14085 19719 22223 22365 32865 66669 98595 111115 155561 200007 333345 466683 777805 1000035 1400049 2333415 7000245