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1240104430 = 25124010443
BaseRepresentation
bin100100111101010…
…0111110111101110
310012102110211110201
41021322213313232
510014431320210
6323015424114
742505466545
oct11172476756
93172424421
101240104430
115870088a4
122a738503a
13169bc6706
14ba9ad15c
1573d0d53a
hex49ea7dee

1240104430 has 8 divisors (see below), whose sum is σ = 2232187992. Its totient is φ = 496041768.

The previous prime is 1240104419. The next prime is 1240104431. The reversal of 1240104430 is 344010421.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 1240104398 and 1240104407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1240104431) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62005212 + ... + 62005231.

It is an arithmetic number, because the mean of its divisors is an integer number (279023499).

Almost surely, 21240104430 is an apocalyptic number.

1240104430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1240104430 is a deficient number, since it is larger than the sum of its proper divisors (992083562).

1240104430 is a wasteful number, since it uses less digits than its factorization.

1240104430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124010450.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 1240104430 is about 35215.1164984584. The cubic root of 1240104430 is about 1074.3672295564.

Adding to 1240104430 its reverse (344010421), we get a palindrome (1584114851).

The spelling of 1240104430 in words is "one billion, two hundred forty million, one hundred four thousand, four hundred thirty".

Divisors: 1 2 5 10 124010443 248020886 620052215 1240104430