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1378713364 = 227479102797
BaseRepresentation
bin101001000101101…
…0111111100010100
310120002021220011221
41102023113330110
510310422311424
6344450340124
746110604330
oct12213277424
93502256157
101378713364
1164827a836
1232588a644
1318c837832
14d11707c0
158108c9e4
hex522d7f14

1378713364 has 24 divisors (see below), whose sum is σ = 2763210240. Its totient is φ = 589637856.

The previous prime is 1378713353. The next prime is 1378713373. The reversal of 1378713364 is 4633178731.

It is a self number, because there is not a number n which added to its sum of digits gives 1378713364.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37987 + ... + 64810.

It is an arithmetic number, because the mean of its divisors is an integer number (115133760).

Almost surely, 21378713364 is an apocalyptic number.

1378713364 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1378713364 is an abundant number, since it is smaller than the sum of its proper divisors (1384496876).

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

1378713364 is a wasteful number, since it uses less digits than its factorization.

1378713364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103287 (or 103285 counting only the distinct ones).

The product of its digits is 254016, while the sum is 43.

The square root of 1378713364 is about 37131.0296652274. The cubic root of 1378713364 is about 1112.9901694551.

The spelling of 1378713364 in words is "one billion, three hundred seventy-eight million, seven hundred thirteen thousand, three hundred sixty-four".

Divisors: 1 2 4 7 14 28 479 958 1916 3353 6706 13412 102797 205594 411188 719579 1439158 2878316 49239763 98479526 196959052 344678341 689356682 1378713364