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1045152240 = 243511395891
BaseRepresentation
bin111110010010111…
…100000111110000
32200211122020100020
4332102330013300
54120024332430
6251413123440
734620435036
oct7622740760
92624566306
101045152240
11496a63390
12252029580
131386b8ba2
149cb42556
1561b4eb10
hex3e4bc1f0

1045152240 has 80 divisors (see below), whose sum is σ = 3534523776. Its totient is φ = 253369600.

The previous prime is 1045152221. The next prime is 1045152263. The reversal of 1045152240 is 422515401.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 1045152240.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 195306 + ... + 200585.

Almost surely, 21045152240 is an apocalyptic number.

1045152240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1045152240 is an abundant number, since it is smaller than the sum of its proper divisors (2489371536).

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

1045152240 is a wasteful number, since it uses less digits than its factorization.

1045152240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 395918 (or 395912 counting only the distinct ones).

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

The square root of 1045152240 is about 32328.8143921178. The cubic root of 1045152240 is about 1014.8297384013.

Adding to 1045152240 its reverse (422515401), we get a palindrome (1467667641).

The spelling of 1045152240 in words is "one billion, forty-five million, one hundred fifty-two thousand, two hundred forty".

Divisors: 1 2 3 4 5 6 8 10 11 12 15 16 20 22 24 30 33 40 44 48 55 60 66 80 88 110 120 132 165 176 220 240 264 330 440 528 660 880 1320 2640 395891 791782 1187673 1583564 1979455 2375346 3167128 3958910 4354801 4750692 5938365 6334256 7917820 8709602 9501384 11876730 13064403 15835640 17419204 19002768 21774005 23753460 26128806 31671280 34838408 43548010 47506920 52257612 65322015 69676816 87096020 95013840 104515224 130644030 174192040 209030448 261288060 348384080 522576120 1045152240