Search a number
-
+
61401417 = 3711265807
BaseRepresentation
bin1110101000111…
…0100101001001
311021112111220120
43222032211021
5111204321132
610032013453
71343621610
oct352164511
9137474816
1061401417
1131728880
1218691289
13c94aacc
148224877
1555cd02c
hex3a8e949

61401417 has 16 divisors (see below), whose sum is σ = 102070272. Its totient is φ = 31896720.

The previous prime is 61401397. The next prime is 61401419. The reversal of 61401417 is 71410416.

61401417 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 61401417 - 27 = 61401289 is a prime.

It is not an unprimeable number, because it can be changed into a prime (61401419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 132673 + ... + 133134.

It is an arithmetic number, because the mean of its divisors is an integer number (6379392).

Almost surely, 261401417 is an apocalyptic number.

It is an amenable number.

61401417 is a deficient number, since it is larger than the sum of its proper divisors (40668855).

61401417 is a wasteful number, since it uses less digits than its factorization.

61401417 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 265828.

The product of its (nonzero) digits is 672, while the sum is 24.

The square root of 61401417 is about 7835.9056273031. The cubic root of 61401417 is about 394.5113157595.

It can be divided in two parts, 6140 and 1417, that added together give a palindrome (7557).

The spelling of 61401417 in words is "sixty-one million, four hundred one thousand, four hundred seventeen".

Divisors: 1 3 7 11 21 33 77 231 265807 797421 1860649 2923877 5581947 8771631 20467139 61401417