Search a number
-
+
3201400242 = 232177855569
BaseRepresentation
bin1011111011010001…
…0111110110110010
322021002222222112100
42332310113312302
523024024301432
61245401041230
7142222311255
oct27664276662
98232888470
103201400242
1113a311a427
12754186216
133c033bc91
1422527109c
1513b0c807c
hexbed17db2

3201400242 has 12 divisors (see below), whose sum is σ = 6936367230. Its totient is φ = 1067133408.

The previous prime is 3201400229. The next prime is 3201400249. The reversal of 3201400242 is 2420041023.

3201400242 is a `hidden beast` number, since 3 + 20 + 1 + 400 + 242 = 666.

It can be written as a sum of positive squares in only one way, i.e., 3183329241 + 18071001 = 56421^2 + 4251^2 .

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 177855569 = 3201400242 / (3 + 2 + 0 + 1 + 4 + 0 + 0 + 2 + 4 + 2).

It is not an unprimeable number, because it can be changed into a prime (3201400249) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 88927767 + ... + 88927802.

Almost surely, 23201400242 is an apocalyptic number.

3201400242 is an abundant number, since it is smaller than the sum of its proper divisors (3734966988).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3201400242 is a wasteful number, since it uses less digits than its factorization.

3201400242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177855577 (or 177855574 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 3201400242 is about 56580.9176489742. The cubic root of 3201400242 is about 1473.8275070978.

Adding to 3201400242 its reverse (2420041023), we get a palindrome (5621441265).

The spelling of 3201400242 in words is "three billion, two hundred one million, four hundred thousand, two hundred forty-two".

Divisors: 1 2 3 6 9 18 177855569 355711138 533566707 1067133414 1600700121 3201400242