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1054144388 = 221147509741
BaseRepresentation
bin111110110101001…
…111011110000100
32201110120002020202
4332311033132010
54124330110023
6252333550032
735060036153
oct7665173604
92643502222
101054144388
114a1045310
12255045318
1313a516a9b
14a000359a
1562829128
hex3ed4f784

1054144388 has 24 divisors (see below), whose sum is σ = 2055279744. Its totient is φ = 468960800.

The previous prime is 1054144387. The next prime is 1054144397. The reversal of 1054144388 is 8834414501.

It is a super-2 number, since 2×10541443882 = 2222440781503789088, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1054144387) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 252803 + ... + 256938.

It is an arithmetic number, because the mean of its divisors is an integer number (85636656).

Almost surely, 21054144388 is an apocalyptic number.

It is an amenable number.

1054144388 is a deficient number, since it is larger than the sum of its proper divisors (1001135356).

1054144388 is a wasteful number, since it uses less digits than its factorization.

1054144388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 509803 (or 509801 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 38.

The square root of 1054144388 is about 32467.5898089156. The cubic root of 1054144388 is about 1017.7318523380.

Adding to 1054144388 its reverse (8834414501), we get a palindrome (9888558889).

The spelling of 1054144388 in words is "one billion, fifty-four million, one hundred forty-four thousand, three hundred eighty-eight".

Divisors: 1 2 4 11 22 44 47 94 188 517 1034 2068 509741 1019482 2038964 5607151 11214302 22428604 23957827 47915654 95831308 263536097 527072194 1054144388