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61001477 = 437511889
BaseRepresentation
bin1110100010110…
…0111100000101
311020210012021222
43220230330011
5111104021402
610015250125
71340334605
oct350547405
9136705258
1061001477
1131485349
1218519945
13c83aa64
14815cc05
15554e7a2
hex3a2cf05

61001477 has 8 divisors (see below), whose sum is σ = 62536320. Its totient is φ = 59472000.

The previous prime is 61001467. The next prime is 61001503. The reversal of 61001477 is 77410016.

61001477 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 61001477 - 224 = 44224261 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 (61001407) 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 7 ways as a sum of consecutive naturals, for example, 31349 + ... + 33237.

It is an arithmetic number, because the mean of its divisors is an integer number (7817040).

Almost surely, 261001477 is an apocalyptic number.

It is an amenable number.

61001477 is a deficient number, since it is larger than the sum of its proper divisors (1534843).

61001477 is a wasteful number, since it uses less digits than its factorization.

61001477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2683.

The product of its (nonzero) digits is 1176, while the sum is 26.

The square root of 61001477 is about 7810.3442305701. The cubic root of 61001477 is about 393.6528954465.

The spelling of 61001477 in words is "sixty-one million, one thousand, four hundred seventy-seven".

Divisors: 1 43 751 1889 32293 81227 1418639 61001477