Search a number
-
+
271402 = 2135701
BaseRepresentation
bin1000010010000101010
3111210021221
41002100222
532141102
65452254
72210155
oct1022052
9453257
10271402
111759aa
1211108a
13966c1
1470c9c
1555637
hex4242a

271402 has 4 divisors (see below), whose sum is σ = 407106. Its totient is φ = 135700.

The previous prime is 271393. The next prime is 271409. The reversal of 271402 is 204172.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 259081 + 12321 = 509^2 + 111^2 .

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (271409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67849 + ... + 67852.

2271402 is an apocalyptic number.

271402 is a deficient number, since it is larger than the sum of its proper divisors (135704).

271402 is a wasteful number, since it uses less digits than its factorization.

271402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135703.

The product of its (nonzero) digits is 112, while the sum is 16.

The square root of 271402 is about 520.9625706325. The cubic root of 271402 is about 64.7447186402.

Adding to 271402 its reverse (204172), we get a palindrome (475574).

The spelling of 271402 in words is "two hundred seventy-one thousand, four hundred two", and thus it is an iban number.

Divisors: 1 2 135701 271402