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61960095 = 3252979601
BaseRepresentation
bin1110110001011…
…0111110011111
311022120220021100
43230112332133
5111330210340
610052004143
71351436451
oct354267637
9138526240
1061960095
1131a7a59a
1218900653
13cab51a2
14832c2d1
15568d830
hex3b16f9f

61960095 has 48 divisors (see below), whose sum is σ = 112694400. Its totient is φ = 31449600.

The previous prime is 61960039. The next prime is 61960097. The reversal of 61960095 is 59006916.

It is not a de Polignac number, because 61960095 - 27 = 61959967 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61960097) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 102795 + ... + 103395.

It is an arithmetic number, because the mean of its divisors is an integer number (2347800).

Almost surely, 261960095 is an apocalyptic number.

61960095 is a deficient number, since it is larger than the sum of its proper divisors (50734305).

61960095 is a wasteful number, since it uses less digits than its factorization.

61960095 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 720 (or 717 counting only the distinct ones).

The product of its (nonzero) digits is 14580, while the sum is 36.

The square root of 61960095 is about 7871.4734961124. The cubic root of 61960095 is about 395.7042289456.

The spelling of 61960095 in words is "sixty-one million, nine hundred sixty thousand, ninety-five".

Divisors: 1 3 5 9 15 29 45 79 87 145 237 261 395 435 601 711 1185 1305 1803 2291 3005 3555 5409 6873 9015 11455 17429 20619 27045 34365 47479 52287 87145 103095 142437 156861 237395 261435 427311 712185 784305 1376891 2136555 4130673 6884455 12392019 20653365 61960095