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61434160 = 2456311217
BaseRepresentation
bin1110101001011…
…0100100110000
311021121011211021
43222112210300
5111211343120
610032425224
71344116224
oct352264460
9137534737
1061434160
1131750437
12186a8214
13c95c998
148232784
1555d7aaa
hex3a96930

61434160 has 40 divisors (see below), whose sum is σ = 143178336. Its totient is φ = 24514560.

The previous prime is 61434101. The next prime is 61434167. The reversal of 61434160 is 6143416.

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (61434167) 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, 49872 + ... + 51088.

Almost surely, 261434160 is an apocalyptic number.

It is an amenable number.

61434160 is an abundant number, since it is smaller than the sum of its proper divisors (81744176).

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

61434160 is a wasteful number, since it uses less digits than its factorization.

61434160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1861 (or 1855 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 61434160 is about 7837.9946414883. The cubic root of 61434160 is about 394.5814291716.

Adding to 61434160 its reverse (6143416), we get a palindrome (67577576).

The spelling of 61434160 in words is "sixty-one million, four hundred thirty-four thousand, one hundred sixty".

Divisors: 1 2 4 5 8 10 16 20 40 80 631 1217 1262 2434 2524 3155 4868 5048 6085 6310 9736 10096 12170 12620 19472 24340 25240 48680 50480 97360 767927 1535854 3071708 3839635 6143416 7679270 12286832 15358540 30717080 61434160