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1381456294 = 21936354113
BaseRepresentation
bin101001001010111…
…0101100110100110
310120021110020202221
41102111311212212
510312123100134
6345025222554
746143120241
oct12225654646
93507406687
101381456294
11649883619
12326791a5a
1319028817a
14d1686258
15814305b4
hex525759a6

1381456294 has 8 divisors (see below), whose sum is σ = 2181246840. Its totient is φ = 654374016.

The previous prime is 1381456277. The next prime is 1381456303. The reversal of 1381456294 is 4926541831.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 1381456294.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18177019 + ... + 18177094.

It is an arithmetic number, because the mean of its divisors is an integer number (272655855).

Almost surely, 21381456294 is an apocalyptic number.

1381456294 is a deficient number, since it is larger than the sum of its proper divisors (799790546).

1381456294 is a wasteful number, since it uses less digits than its factorization.

1381456294 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36354134.

The product of its digits is 207360, while the sum is 43.

The square root of 1381456294 is about 37167.9471319039. The cubic root of 1381456294 is about 1113.7277730556.

The spelling of 1381456294 in words is "one billion, three hundred eighty-one million, four hundred fifty-six thousand, two hundred ninety-four".

Divisors: 1 2 19 38 36354113 72708226 690728147 1381456294