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61346454 = 2313898837
BaseRepresentation
bin1110101000000…
…1001010010110
311021102201111220
43222001022112
5111201041304
610030511210
71343302431
oct352011226
9137381456
1061346454
11316a0554
1218665506
13c92baa0
14820c818
1555bbad9
hex3a81296

61346454 has 32 divisors (see below), whose sum is σ = 133630560. Its totient is φ = 18661632.

The previous prime is 61346449. The next prime is 61346471. The reversal of 61346454 is 45464316.

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 15 ways as a sum of consecutive naturals, for example, 2524 + ... + 11360.

It is an arithmetic number, because the mean of its divisors is an integer number (4175955).

Almost surely, 261346454 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 61346454, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66815280).

61346454 is an abundant number, since it is smaller than the sum of its proper divisors (72284106).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

61346454 is a wasteful number, since it uses less digits than its factorization.

61346454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8944.

The product of its digits is 34560, while the sum is 33.

The square root of 61346454 is about 7832.3977171745. The cubic root of 61346454 is about 394.3935660415.

The spelling of 61346454 in words is "sixty-one million, three hundred forty-six thousand, four hundred fifty-four".

Divisors: 1 2 3 6 13 26 39 78 89 178 267 534 1157 2314 3471 6942 8837 17674 26511 53022 114881 229762 344643 689286 786493 1572986 2359479 4718958 10224409 20448818 30673227 61346454