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1040243454 = 232281205663
BaseRepresentation
bin111110000000001…
…101101011111110
32200111101211202100
4332000031223332
54112300242304
6251120005530
734530631515
oct7600155376
92614354670
101040243454
11494210338
122504608a6
1313768a793
149c22567c
15614d0439
hex3e00dafe

1040243454 has 24 divisors (see below), whose sum is σ = 2261892672. Its totient is φ = 345512160.

The previous prime is 1040243443. The next prime is 1040243461. The reversal of 1040243454 is 4543420401.

It is a happy number.

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 11 ways as a sum of consecutive naturals, for example, 97774 + ... + 107889.

It is an arithmetic number, because the mean of its divisors is an integer number (94245528).

Almost surely, 21040243454 is an apocalyptic number.

1040243454 is an abundant number, since it is smaller than the sum of its proper divisors (1221649218).

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

1040243454 is a wasteful number, since it uses less digits than its factorization.

1040243454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205952 (or 205949 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 27.

The square root of 1040243454 is about 32252.8053663553. The cubic root of 1040243454 is about 1013.2384546103.

Adding to 1040243454 its reverse (4543420401), we get a palindrome (5583663855).

The spelling of 1040243454 in words is "one billion, forty million, two hundred forty-three thousand, four hundred fifty-four".

Divisors: 1 2 3 6 9 18 281 562 843 1686 2529 5058 205663 411326 616989 1233978 1850967 3701934 57791303 115582606 173373909 346747818 520121727 1040243454