Search a number
-
+
60402261 = 361330067
BaseRepresentation
bin1110011001101…
…0101001010101
311012122202022210
43212122221111
5110430333021
65554344033
71332260613
oct346325125
9135582283
1060402261
1131106127
121828b019
13c68b0aa
1480446b3
155481e76
hex399aa55

60402261 has 8 divisors (see below), whose sum is σ = 81856864. Its totient is φ = 39607920.

The previous prime is 60402259. The next prime is 60402263. The reversal of 60402261 is 16220406.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (60402259) and next prime (60402263).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 60402261 - 21 = 60402259 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (60402263) 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, 164851 + ... + 165216.

It is an arithmetic number, because the mean of its divisors is an integer number (10232108).

Almost surely, 260402261 is an apocalyptic number.

60402261 is a gapful number since it is divisible by the number (61) formed by its first and last digit.

It is an amenable number.

60402261 is a deficient number, since it is larger than the sum of its proper divisors (21454603).

60402261 is a wasteful number, since it uses less digits than its factorization.

60402261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 330131.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 60402261 is about 7771.8891525806. The cubic root of 60402261 is about 392.3597042772.

Adding to 60402261 its reverse (16220406), we get a palindrome (76622667).

The spelling of 60402261 in words is "sixty million, four hundred two thousand, two hundred sixty-one".

Divisors: 1 3 61 183 330067 990201 20134087 60402261