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7900201 = 23389883
BaseRepresentation
bin11110001000110000101001
3112212101001001
4132020300221
54010301301
6441155001
7124102441
oct36106051
915771031
107900201
1145065a1
12278ba61
131837b9a
141099121
15a60c01
hex788c29

7900201 has 8 divisors (see below), whose sum is σ = 8274240. Its totient is φ = 7528752.

The previous prime is 7900199. The next prime is 7900213. The reversal of 7900201 is 1020097.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 7900201 - 21 = 7900199 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7900231) 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, 8506 + ... + 9388.

It is an arithmetic number, because the mean of its divisors is an integer number (1034280).

Almost surely, 27900201 is an apocalyptic number.

It is an amenable number.

7900201 is a deficient number, since it is larger than the sum of its proper divisors (374039).

7900201 is a wasteful number, since it uses less digits than its factorization.

7900201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1295.

The product of its (nonzero) digits is 126, while the sum is 19.

The square root of 7900201 is about 2810.7296205790. The cubic root of 7900201 is about 199.1648592200.

Adding to 7900201 its reverse (1020097), we get a palindrome (8920298).

The spelling of 7900201 in words is "seven million, nine hundred thousand, two hundred one".

Divisors: 1 23 389 883 8947 20309 343487 7900201