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1374240305 = 517105115383
BaseRepresentation
bin101000111101001…
…0011111000110001
310112202212122022002
41101322103320301
510303301142210
6344210423345
746024564334
oct12172237061
93482778262
101374240305
116457a5099
12324291b55
1318b92c859
14d072861b
15809a74a5
hex51e93e31

1374240305 has 16 divisors (see below), whose sum is σ = 1747868544. Its totient is φ = 1033670400.

The previous prime is 1374240299. The next prime is 1374240353. The reversal of 1374240305 is 5030424731.

It is a happy number.

It is not a de Polignac number, because 1374240305 - 24 = 1374240289 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 81644 + ... + 97026.

It is an arithmetic number, because the mean of its divisors is an integer number (109241784).

Almost surely, 21374240305 is an apocalyptic number.

It is an amenable number.

1374240305 is a deficient number, since it is larger than the sum of its proper divisors (373628239).

1374240305 is a wasteful number, since it uses less digits than its factorization.

1374240305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16456.

The product of its (nonzero) digits is 10080, while the sum is 29.

The square root of 1374240305 is about 37070.7472948685. The cubic root of 1374240305 is about 1111.7852140348.

The spelling of 1374240305 in words is "one billion, three hundred seventy-four million, two hundred forty thousand, three hundred five".

Divisors: 1 5 17 85 1051 5255 15383 17867 76915 89335 261511 1307555 16167533 80837665 274848061 1374240305