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61354701 = 3256911981
BaseRepresentation
bin1110101000001…
…1001011001101
311021110010211100
43222003023031
5111201322301
610031013313
71343335452
oct352031315
9137403740
1061354701
11316a6771
121866a239
13c932775
148211829
1555be286
hex3a832cd

61354701 has 12 divisors (see below), whose sum is σ = 88786620. Its totient is φ = 40827840.

The previous prime is 61354697. The next prime is 61354747. The reversal of 61354701 is 10745316.

61354701 is a `hidden beast` number, since 613 + 5 + 47 + 0 + 1 = 666.

61354701 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 37822500 + 23532201 = 6150^2 + 4851^2 .

It is not a de Polignac number, because 61354701 - 22 = 61354697 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61354001) 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 11 ways as a sum of consecutive naturals, for example, 870 + ... + 11111.

It is an arithmetic number, because the mean of its divisors is an integer number (7398885).

Almost surely, 261354701 is an apocalyptic number.

It is an amenable number.

61354701 is a deficient number, since it is larger than the sum of its proper divisors (27431919).

61354701 is a wasteful number, since it uses less digits than its factorization.

61354701 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12556 (or 12553 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 27.

The square root of 61354701 is about 7832.9241666187. The cubic root of 61354701 is about 394.4112384457.

The spelling of 61354701 in words is "sixty-one million, three hundred fifty-four thousand, seven hundred one".

Divisors: 1 3 9 569 1707 5121 11981 35943 107829 6817189 20451567 61354701