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1371368478 = 231777317393
BaseRepresentation
bin101000110111101…
…0110110000011110
310112120110201220010
41101233112300132
510302032242403
6344025104050
745661303554
oct12157266036
93476421803
101371368478
11644113487
12323328026
1318b16564c
14d01bbbd4
15805db603
hex51bd6c1e

1371368478 has 32 divisors (see below), whose sum is σ = 2907998496. Its totient is φ = 429651968.

The previous prime is 1371368477. The next prime is 1371368503. The reversal of 1371368478 is 8748631731.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1371368473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 70150 + ... + 87542.

It is an arithmetic number, because the mean of its divisors is an integer number (90874953).

Almost surely, 21371368478 is an apocalyptic number.

1371368478 is an abundant number, since it is smaller than the sum of its proper divisors (1536630018).

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

1371368478 is a wasteful number, since it uses less digits than its factorization.

1371368478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18188.

The product of its digits is 677376, while the sum is 48.

The square root of 1371368478 is about 37031.9926279967. The cubic root of 1371368478 is about 1111.0102206400.

The spelling of 1371368478 in words is "one billion, three hundred seventy-one million, three hundred sixty-eight thousand, four hundred seventy-eight".

Divisors: 1 2 3 6 17 34 51 102 773 1546 2319 4638 13141 17393 26282 34786 39423 52179 78846 104358 295681 591362 887043 1774086 13444789 26889578 40334367 80668734 228561413 457122826 685684239 1371368478