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61960343 = 206929947
BaseRepresentation
bin1110110001011…
…1000010010111
311022120220121112
43230113002113
5111330212333
610052005235
71351440254
oct354270227
9138526545
1061960343
1131a7a7a5
121890081b
13cab5333
14832c42b
15568d948
hex3b17097

61960343 has 4 divisors (see below), whose sum is σ = 61992360. Its totient is φ = 61928328.

The previous prime is 61960319. The next prime is 61960357. The reversal of 61960343 is 34306916.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 61960343 - 210 = 61959319 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61962343) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12905 + ... + 17042.

It is an arithmetic number, because the mean of its divisors is an integer number (15498090).

Almost surely, 261960343 is an apocalyptic number.

61960343 is a deficient number, since it is larger than the sum of its proper divisors (32017).

61960343 is a wasteful number, since it uses less digits than its factorization.

61960343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32016.

The product of its (nonzero) digits is 11664, while the sum is 32.

The square root of 61960343 is about 7871.4892491828. The cubic root of 61960343 is about 395.7047568904.

The spelling of 61960343 in words is "sixty-one million, nine hundred sixty thousand, three hundred forty-three".

Divisors: 1 2069 29947 61960343