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1375023228 = 2233110933911
BaseRepresentation
bin101000111110101…
…0011000001111100
310112211100102021020
41101331103001330
510304001220403
6344235304140
746034335035
oct12175230174
93484312236
101375023228
1164618a337
123245ab050
1318bb45017
14d088da8c
1580aae453
hex51f5307c

1375023228 has 48 divisors (see below), whose sum is σ = 3342366720. Its totient is φ = 439473600.

The previous prime is 1375023227. The next prime is 1375023229. The reversal of 1375023228 is 8223205731.

It is an interprime number because it is at equal distance from previous prime (1375023227) and next prime (1375023229).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1375023227) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23593 + ... + 57503.

It is an arithmetic number, because the mean of its divisors is an integer number (69632640).

Almost surely, 21375023228 is an apocalyptic number.

It is an amenable number.

1375023228 is an abundant number, since it is smaller than the sum of its proper divisors (1967343492).

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

1375023228 is a wasteful number, since it uses less digits than its factorization.

1375023228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34058 (or 34056 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 33.

The square root of 1375023228 is about 37081.3056404437. The cubic root of 1375023228 is about 1111.9963068990.

Adding to 1375023228 its reverse (8223205731), we get a palindrome (9598228959).

The spelling of 1375023228 in words is "one billion, three hundred seventy-five million, twenty-three thousand, two hundred twenty-eight".

Divisors: 1 2 3 4 6 12 31 62 93 109 124 186 218 327 372 436 654 1308 3379 6758 10137 13516 20274 33911 40548 67822 101733 135644 203466 406932 1051241 2102482 3153723 3696299 4204964 6307446 7392598 11088897 12614892 14785196 22177794 44355588 114585269 229170538 343755807 458341076 687511614 1375023228