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1375632344 = 231371255139
BaseRepresentation
bin101000111111110…
…0111101111011000
310112212111100211002
41101333213233120
510304130213334
6344300324132
746042452632
oct12177475730
93485440732
101375632344
11646565a39
12324843648
1318bcc9348
14d09aba52
1580b7eb7e
hex51fe7bd8

1375632344 has 16 divisors (see below), whose sum is σ = 2598139800. Its totient is φ = 682795072.

The previous prime is 1375632341. The next prime is 1375632353. The reversal of 1375632344 is 4432365731.

It is a junction number, because it is equal to n+sod(n) for n = 1375632298 and 1375632307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1375632341) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 626474 + ... + 628665.

Almost surely, 21375632344 is an apocalyptic number.

It is an amenable number.

1375632344 is a deficient number, since it is larger than the sum of its proper divisors (1222507456).

1375632344 is a wasteful number, since it uses less digits than its factorization.

1375632344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1255282 (or 1255278 counting only the distinct ones).

The product of its digits is 181440, while the sum is 38.

The square root of 1375632344 is about 37089.5179801518. The cubic root of 1375632344 is about 1112.1604822469.

The spelling of 1375632344 in words is "one billion, three hundred seventy-five million, six hundred thirty-two thousand, three hundred forty-four".

Divisors: 1 2 4 8 137 274 548 1096 1255139 2510278 5020556 10041112 171954043 343908086 687816172 1375632344