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1140250452 = 22311171373709
BaseRepresentation
bin100001111110110…
…1101011101010100
32221110120201120020
41003331231131110
54313401003302
6305051305140
740153653225
oct10375553524
92843521506
101140250452
11535707050
12279a4b1b0
13152304513
14ab61924c
156a186ebc
hex43f6d754

1140250452 has 96 divisors (see below), whose sum is σ = 3096455040. Its totient is φ = 322744320.

The previous prime is 1140250411. The next prime is 1140250457. The reversal of 1140250452 is 2540520411.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1140250457) 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, 305574 + ... + 309282.

It is an arithmetic number, because the mean of its divisors is an integer number (32254740).

Almost surely, 21140250452 is an apocalyptic number.

1140250452 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1140250452, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1548227520).

1140250452 is an abundant number, since it is smaller than the sum of its proper divisors (1956204588).

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

1140250452 is a wasteful number, since it uses less digits than its factorization.

1140250452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3881 (or 3879 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 24.

The square root of 1140250452 is about 33767.5947026139. The cubic root of 1140250452 is about 1044.7204221449.

Adding to 1140250452 its reverse (2540520411), we get a palindrome (3680770863).

The spelling of 1140250452 in words is "one billion, one hundred forty million, two hundred fifty thousand, four hundred fifty-two".

Divisors: 1 2 3 4 6 11 12 17 22 33 34 44 51 66 68 102 132 137 187 204 274 374 411 548 561 748 822 1122 1507 1644 2244 2329 3014 3709 4521 4658 6028 6987 7418 9042 9316 11127 13974 14836 18084 22254 25619 27948 40799 44508 51238 63053 76857 81598 102476 122397 126106 153714 163196 189159 244794 252212 307428 378318 489588 508133 693583 756636 1016266 1387166 1524399 2032532 2080749 2774332 3048798 4161498 5589463 6097596 8322996 8638261 11178926 16768389 17276522 22357852 25914783 33536778 34553044 51829566 67073556 95020871 103659132 190041742 285062613 380083484 570125226 1140250452