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61087430 = 256108743
BaseRepresentation
bin1110100100000…
…1111011000110
311020221120012102
43221001323012
5111114244210
610021152102
71341143315
oct351017306
9136846172
1061087430
1131533988
121855b632
13c86ac11
14818227c
155569ea5
hex3a41ec6

61087430 has 8 divisors (see below), whose sum is σ = 109957392. Its totient is φ = 24434968.

The previous prime is 61087423. The next prime is 61087457. The reversal of 61087430 is 3478016.

61087430 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 junction number, because it is equal to n+sod(n) for n = 61087393 and 61087402.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 3054362 + ... + 3054381.

It is an arithmetic number, because the mean of its divisors is an integer number (13744674).

Almost surely, 261087430 is an apocalyptic number.

61087430 is a deficient number, since it is larger than the sum of its proper divisors (48869962).

61087430 is a wasteful number, since it uses less digits than its factorization.

61087430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6108750.

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 61087430 is about 7815.8448039863. The cubic root of 61087430 is about 393.8376984468.

The spelling of 61087430 in words is "sixty-one million, eighty-seven thousand, four hundred thirty".

Divisors: 1 2 5 10 6108743 12217486 30543715 61087430