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61028432 = 244797963
BaseRepresentation
bin1110100011001…
…1100001010000
311020211120021022
43220303201100
5111110402212
610020015012
71340506313
oct350634120
9136746238
1061028432
11314a3623
1218531468
13c84a0ca
14816897a
155557772
hex3a33850

61028432 has 20 divisors (see below), whose sum is σ = 118504320. Its totient is φ = 30446688.

The previous prime is 61028393. The next prime is 61028447. The reversal of 61028432 is 23482016.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3683 + ... + 11645.

It is an arithmetic number, because the mean of its divisors is an integer number (5925216).

Almost surely, 261028432 is an apocalyptic number.

It is an amenable number.

61028432 is a deficient number, since it is larger than the sum of its proper divisors (57475888).

61028432 is a wasteful number, since it uses less digits than its factorization.

61028432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8450 (or 8444 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 61028432 is about 7812.0696361464. The cubic root of 61028432 is about 393.7108686400.

The spelling of 61028432 in words is "sixty-one million, twenty-eight thousand, four hundred thirty-two".

Divisors: 1 2 4 8 16 479 958 1916 3832 7664 7963 15926 31852 63704 127408 3814277 7628554 15257108 30514216 61028432