Search a number
-
+
10915201 = 111377243
BaseRepresentation
bin101001101000…
…110110000001
3202112112211201
4221220312001
510243241301
61025541201
7161530513
oct51506601
922475751
1010915201
116185830
1237a4801
1323522cb
141641bb3
15e59201
hexa68d81

10915201 has 8 divisors (see below), whose sum is σ = 11996064. Its totient is φ = 9849120.

The previous prime is 10915199. The next prime is 10915217. The reversal of 10915201 is 10251901.

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 10915201 - 21 = 10915199 is a prime.

It is a super-2 number, since 2×109152012 = 238283225740802, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10915001) 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, 2115 + ... + 5128.

It is an arithmetic number, because the mean of its divisors is an integer number (1499508).

Almost surely, 210915201 is an apocalyptic number.

10915201 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

10915201 is a deficient number, since it is larger than the sum of its proper divisors (1080863).

10915201 is a wasteful number, since it uses less digits than its factorization.

10915201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7391.

The product of its (nonzero) digits is 90, while the sum is 19.

The square root of 10915201 is about 3303.8161268448. The cubic root of 10915201 is about 221.8250454488.

The spelling of 10915201 in words is "ten million, nine hundred fifteen thousand, two hundred one".

Divisors: 1 11 137 1507 7243 79673 992291 10915201