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1156424240 = 24514455303
BaseRepresentation
bin100010011101101…
…1010001000110000
32222121000102211102
41010323122020300
54332021033430
6310430103532
740441305146
oct10473321060
92877012742
101156424240
11543853714
1228334aba8
131557781ca
14ad829596
156b7ce345
hex44eda230

1156424240 has 20 divisors (see below), whose sum is σ = 2688686544. Its totient is φ = 462569664.

The previous prime is 1156424239. The next prime is 1156424267. The reversal of 1156424240 is 424246511.

It is a tau number, because it is divible by the number of its divisors (20).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7227572 + ... + 7227731.

Almost surely, 21156424240 is an apocalyptic number.

1156424240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1156424240 is an abundant number, since it is smaller than the sum of its proper divisors (1532262304).

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

1156424240 is a wasteful number, since it uses less digits than its factorization.

1156424240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14455316 (or 14455310 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 29.

The square root of 1156424240 is about 34006.2382512386. The cubic root of 1156424240 is about 1049.6368328324.

The spelling of 1156424240 in words is "one billion, one hundred fifty-six million, four hundred twenty-four thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 16 20 40 80 14455303 28910606 57821212 72276515 115642424 144553030 231284848 289106060 578212120 1156424240