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1021141408 = 25741111187
BaseRepresentation
bin111100110111010…
…110000110100000
32122011110100200011
4330313112012200
54042403011113
6245154334304
734206362440
oct7467260640
92564410604
101021141408
11484453721
12245b8a394
1313372ccb1
1499892120
155e9aa63d
hex3cdd61a0

1021141408 has 48 divisors (see below), whose sum is σ = 2353627584. Its totient is φ = 426954240.

The previous prime is 1021141391. The next prime is 1021141409. The reversal of 1021141408 is 8041411201.

1021141408 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (1021141409) 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, 46410 + ... + 64777.

It is an arithmetic number, because the mean of its divisors is an integer number (49033908).

Almost surely, 21021141408 is an apocalyptic number.

It is an amenable number.

1021141408 is an abundant number, since it is smaller than the sum of its proper divisors (1332486176).

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

1021141408 is a wasteful number, since it uses less digits than its factorization.

1021141408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111245 (or 111237 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 22.

The square root of 1021141408 is about 31955.3032844315. The cubic root of 1021141408 is about 1006.9980490714.

Adding to 1021141408 its reverse (8041411201), we get a palindrome (9062552609).

The spelling of 1021141408 in words is "one billion, twenty-one million, one hundred forty-one thousand, four hundred eight".

Divisors: 1 2 4 7 8 14 16 28 32 41 56 82 112 164 224 287 328 574 656 1148 1312 2296 4592 9184 111187 222374 444748 778309 889496 1556618 1778992 3113236 3557984 4558667 6226472 9117334 12452944 18234668 24905888 31910669 36469336 63821338 72938672 127642676 145877344 255285352 510570704 1021141408