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61429263 = 372925203
BaseRepresentation
bin1110101001010…
…1011000001111
311021120221002220
43222111120033
5111211214023
610032350423
71344066030
oct352253017
9137527086
1061429263
1131747795
12186a5413
13c95a69c
148230a87
1555d63e3
hex3a9560f

61429263 has 8 divisors (see below), whose sum is σ = 93606528. Its totient is φ = 35102424.

The previous prime is 61429253. The next prime is 61429267. The reversal of 61429263 is 36292416.

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

It is not a de Polignac number, because 61429263 - 25 = 61429231 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61429267) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1462581 + ... + 1462622.

It is an arithmetic number, because the mean of its divisors is an integer number (11700816).

Almost surely, 261429263 is an apocalyptic number.

61429263 is a deficient number, since it is larger than the sum of its proper divisors (32177265).

61429263 is a wasteful number, since it uses less digits than its factorization.

61429263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2925213.

The product of its digits is 15552, while the sum is 33.

The square root of 61429263 is about 7837.6822466849. The cubic root of 61429263 is about 394.5709446865.

The spelling of 61429263 in words is "sixty-one million, four hundred twenty-nine thousand, two hundred sixty-three".

Divisors: 1 3 7 21 2925203 8775609 20476421 61429263