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1050525440 = 285820723
BaseRepresentation
bin111110100111011…
…011111100000000
32201012202012222122
4332213123330000
54122413303230
6252124223412
735014214246
oct7647337400
92635665878
101050525440
11499aa3348
1225399ab68
1313984a7b3
149d740796
1562361be5
hex3e9dbf00

1050525440 has 36 divisors (see below), whose sum is σ = 2516339784. Its totient is φ = 420209664.

The previous prime is 1050525401. The next prime is 1050525461. The reversal of 1050525440 is 445250501.

It is a super-2 number, since 2×10505254402 = 2207207400174387200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 409082 + ... + 411641.

Almost surely, 21050525440 is an apocalyptic number.

1050525440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1050525440 is an abundant number, since it is smaller than the sum of its proper divisors (1465814344).

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

1050525440 is an frugal number, since it uses more digits than its factorization.

1050525440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 820744 (or 820730 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 26.

The square root of 1050525440 is about 32411.8101931996. The cubic root of 1050525440 is about 1016.5658699078.

Adding to 1050525440 its reverse (445250501), we get a palindrome (1495775941).

The spelling of 1050525440 in words is "one billion, fifty million, five hundred twenty-five thousand, four hundred forty".

Divisors: 1 2 4 5 8 10 16 20 32 40 64 80 128 160 256 320 640 1280 820723 1641446 3282892 4103615 6565784 8207230 13131568 16414460 26263136 32828920 52526272 65657840 105052544 131315680 210105088 262631360 525262720 1050525440