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40401130 = 2571171739
BaseRepresentation
bin1001101000011…
…1100011101010
32211000120221011
42122013203222
540320314010
64001534134
71000255360
oct232074352
984016834
1040401130
1120894a70
121164434a
1384a72c3
145519630
153830a8a
hex26878ea

40401130 has 64 divisors (see below), whose sum is σ = 92067840. Its totient is φ = 12398400.

The previous prime is 40401103. The next prime is 40401131. The reversal of 40401130 is 3110404.

40401130 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 40401130.

It is not an unprimeable number, because it can be changed into a prime (40401131) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 54301 + ... + 55039.

It is an arithmetic number, because the mean of its divisors is an integer number (1438560).

Almost surely, 240401130 is an apocalyptic number.

40401130 is an abundant number, since it is smaller than the sum of its proper divisors (51666710).

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

40401130 is a wasteful number, since it uses less digits than its factorization.

40401130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 835.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 40401130 is about 6356.1883232013. The cubic root of 40401130 is about 343.1345934569.

Adding to 40401130 its reverse (3110404), we get a palindrome (43511534).

The spelling of 40401130 in words is "forty million, four hundred one thousand, one hundred thirty".

Divisors: 1 2 5 7 10 11 14 22 35 55 70 71 77 110 142 154 355 385 497 710 739 770 781 994 1478 1562 2485 3695 3905 4970 5173 5467 7390 7810 8129 10346 10934 16258 25865 27335 40645 51730 52469 54670 56903 81290 104938 113806 262345 284515 367283 524690 569030 577159 734566 1154318 1836415 2885795 3672830 4040113 5771590 8080226 20200565 40401130