Search a number
-
+
30517201 = 1113213407
BaseRepresentation
bin111010001101…
…0011111010001
32010102102201201
41310122133101
530303022301
63010031201
7520251301
oct164323721
963372651
1030517201
1116254030
12a278501
136426520
1440a5601
152a2c201
hex1d1a7d1

30517201 has 8 divisors (see below), whose sum is σ = 35852544. Its totient is φ = 25608720.

The previous prime is 30517181. The next prime is 30517213. The reversal of 30517201 is 10271503.

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 30517201 - 217 = 30386129 is a prime.

It is not an unprimeable number, because it can be changed into a prime (30517231) 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, 106561 + ... + 106846.

It is an arithmetic number, because the mean of its divisors is an integer number (4481568).

Almost surely, 230517201 is an apocalyptic number.

It is an amenable number.

30517201 is a deficient number, since it is larger than the sum of its proper divisors (5335343).

30517201 is a wasteful number, since it uses less digits than its factorization.

30517201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213431.

The product of its (nonzero) digits is 210, while the sum is 19.

The square root of 30517201 is about 5524.2375944559. The cubic root of 30517201 is about 312.4987127414.

Adding to 30517201 its reverse (10271503), we get a palindrome (40788704).

The spelling of 30517201 in words is "thirty million, five hundred seventeen thousand, two hundred one".

Divisors: 1 11 13 143 213407 2347477 2774291 30517201