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10400032244 = 227253061389
BaseRepresentation
bin10011010111110001…
…11110010111110100
3222211210111101012102
421223320332113310
5132244402012434
64435552441232
7515502546500
oct115370762764
928753441172
1010400032244
114457602178
122022b49218
13c99840644
14709335300
1540d07b07e
hex26be3e5f4

10400032244 has 18 divisors (see below), whose sum is σ = 21171494610. Its totient is φ = 4457156592.

The previous prime is 10400032211. The next prime is 10400032249. The reversal of 10400032244 is 44223000401.

It can be written as a sum of positive squares in only one way, i.e., 7193075344 + 3206956900 = 84812^2 + 56630^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10400032249) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 26530499 + ... + 26530890.

It is an arithmetic number, because the mean of its divisors is an integer number (1176194145).

Almost surely, 210400032244 is an apocalyptic number.

10400032244 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

10400032244 is an abundant number, since it is smaller than the sum of its proper divisors (10771462366).

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

10400032244 is a wasteful number, since it uses less digits than its factorization.

10400032244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53061407 (or 53061398 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 10400032244 its reverse (44223000401), we get a palindrome (54623032645).

The spelling of 10400032244 in words is "ten billion, four hundred million, thirty-two thousand, two hundred forty-four".

Divisors: 1 2 4 7 14 28 49 98 196 53061389 106122778 212245556 371429723 742859446 1485718892 2600008061 5200016122 10400032244