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1240341242 = 27198575441
BaseRepresentation
bin100100111101110…
…0001101011111010
310012102220212022112
41021323201223322
510020011404432
6323024452322
742510504140
oct11173415372
93172825275
101240341242
1158715a808
122a747a0a2
13169c7a43a
14baa31590
1573d587b2
hex49ee1afa

1240341242 has 32 divisors (see below), whose sum is σ = 2241233280. Its totient is φ = 502917120.

The previous prime is 1240341241. The next prime is 1240341253. The reversal of 1240341242 is 2421430421.

It is a super-2 number, since 2×12403412422 = 3076892793212205128, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1240341241) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 225242 + ... + 230682.

It is an arithmetic number, because the mean of its divisors is an integer number (70038540).

Almost surely, 21240341242 is an apocalyptic number.

1240341242 is a deficient number, since it is larger than the sum of its proper divisors (1000892038).

1240341242 is a wasteful number, since it uses less digits than its factorization.

1240341242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6326.

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 1240341242 is about 35218.4787008184. The cubic root of 1240341242 is about 1074.4356127380.

Adding to 1240341242 its reverse (2421430421), we get a palindrome (3661771663).

The spelling of 1240341242 in words is "one billion, two hundred forty million, three hundred forty-one thousand, two hundred forty-two".

Divisors: 1 2 7 14 19 38 133 266 857 1714 5441 5999 10882 11998 16283 32566 38087 76174 103379 113981 206758 227962 723653 1447306 4662937 9325874 32640559 65281118 88595803 177191606 620170621 1240341242