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1240100054 = 21741987049
BaseRepresentation
bin100100111101010…
…0110110011010110
310012102110121110122
41021322212303112
510014431200204
6323015351542
742505451024
oct11172466326
93172417418
101240100054
11587005586
122a73825b2
13169bc471b
14ba9ab714
1573d0c0be
hex49ea6cd6

1240100054 has 16 divisors (see below), whose sum is σ = 1974294000. Its totient is φ = 582177024.

The previous prime is 1240100047. The next prime is 1240100087. The reversal of 1240100054 is 4500010421.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Curzon 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 7 ways as a sum of consecutive naturals, for example, 29279 + ... + 57770.

It is an arithmetic number, because the mean of its divisors is an integer number (123393375).

Almost surely, 21240100054 is an apocalyptic number.

1240100054 is a deficient number, since it is larger than the sum of its proper divisors (734193946).

1240100054 is a wasteful number, since it uses less digits than its factorization.

1240100054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87487.

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 1240100054 is about 35215.0543659952. The cubic root of 1240100054 is about 1074.3659658358.

Adding to 1240100054 its reverse (4500010421), we get a palindrome (5740110475).

The spelling of 1240100054 in words is "one billion, two hundred forty million, one hundred thousand, fifty-four".

Divisors: 1 2 17 34 419 838 7123 14246 87049 174098 1479833 2959666 36473531 72947062 620050027 1240100054