Search a number
-
+
115370401 = 1131020977
BaseRepresentation
bin1101110000001…
…10100110100001
322001002102102211
412320012212201
5214013323101
615240442121
72600426566
oct670064641
9261072384
10115370401
115a13a543
1232779341
131ab95913
141147286d
15a1ddc51
hex6e069a1

115370401 has 4 divisors (see below), whose sum is σ = 116391492. Its totient is φ = 114349312.

The previous prime is 115370399. The next prime is 115370407. The reversal of 115370401 is 104073511.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 104073511 = 665915629.

It can be written as a sum of positive squares in 2 ways, for example, as 1628176 + 113742225 = 1276^2 + 10665^2 .

It is a cyclic number.

It is not a de Polignac number, because 115370401 - 21 = 115370399 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (115370407) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 510376 + ... + 510601.

It is an arithmetic number, because the mean of its divisors is an integer number (29097873).

Almost surely, 2115370401 is an apocalyptic number.

It is an amenable number.

115370401 is a deficient number, since it is larger than the sum of its proper divisors (1021091).

115370401 is a wasteful number, since it uses less digits than its factorization.

115370401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1021090.

The product of its (nonzero) digits is 420, while the sum is 22.

The square root of 115370401 is about 10741.0614466169. The cubic root of 115370401 is about 486.8159519397.

The spelling of 115370401 in words is "one hundred fifteen million, three hundred seventy thousand, four hundred one".

Divisors: 1 113 1020977 115370401