Search a number
-
+
240220101 = 31164711251
BaseRepresentation
bin11100101000101…
…11011111000101
3121202000110000210
432110113133011
5442444020401
635500430033
75644560102
oct1624273705
9552013023
10240220101
11113663a10
1268548319
133a9ca094
1423c91aa9
15161514d6
hexe5177c5

240220101 has 16 divisors (see below), whose sum is σ = 349982208. Its totient is φ = 145350000.

The previous prime is 240220087. The next prime is 240220103. The reversal of 240220101 is 101022042.

It is not a de Polignac number, because 240220101 - 25 = 240220069 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (240220103) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15726 + ... + 26976.

It is an arithmetic number, because the mean of its divisors is an integer number (21873888).

Almost surely, 2240220101 is an apocalyptic number.

It is an amenable number.

240220101 is a deficient number, since it is larger than the sum of its proper divisors (109762107).

240220101 is a wasteful number, since it uses less digits than its factorization.

240220101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11912.

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 240220101 is about 15499.0354861198. The cubic root of 240220101 is about 621.6364167523.

Adding to 240220101 its reverse (101022042), we get a palindrome (341242143).

The spelling of 240220101 in words is "two hundred forty million, two hundred twenty thousand, one hundred one".

Divisors: 1 3 11 33 647 1941 7117 11251 21351 33753 123761 371283 7279397 21838191 80073367 240220101