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1381075941 = 37281283827
BaseRepresentation
bin101001001010001…
…1000101111100101
310120020201221000210
41102110120233211
510312023412231
6345013130033
746136644320
oct12224305745
93506657023
101381075941
11649643883
12326629919
13190183ccb
14d15c77b7
15813a7a46
hex52518be5

1381075941 has 32 divisors (see below), whose sum is σ = 2122011648. Its totient is φ = 782651520.

The previous prime is 1381075931. The next prime is 1381075951. The reversal of 1381075941 is 1495701831.

It is an interprime number because it is at equal distance from previous prime (1381075931) and next prime (1381075951).

It is not a de Polignac number, because 1381075941 - 26 = 1381075877 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1381075941.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1381075931) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1669570 + ... + 1670396.

It is an arithmetic number, because the mean of its divisors is an integer number (66312864).

Almost surely, 21381075941 is an apocalyptic number.

It is an amenable number.

1381075941 is a deficient number, since it is larger than the sum of its proper divisors (740935707).

1381075941 is a wasteful number, since it uses less digits than its factorization.

1381075941 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1401.

The product of its (nonzero) digits is 30240, while the sum is 39.

The square root of 1381075941 is about 37162.8300994421. The cubic root of 1381075941 is about 1113.6255503542.

The spelling of 1381075941 in words is "one billion, three hundred eighty-one million, seventy-five thousand, nine hundred forty-one".

Divisors: 1 3 7 21 281 283 827 843 849 1967 1981 2481 5789 5901 5943 17367 79523 232387 234041 238569 556661 697161 702123 1626709 1638287 1669983 4880127 4914861 65765521 197296563 460358647 1381075941