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2040120432 = 24347224881
BaseRepresentation
bin111100110011001…
…1100010001110000
312021011211212010000
41321212130101300
513134232323212
6534234510000
7101361510660
oct17146342160
95234755100
102040120432
1195765a749
1248b295300
1326688396c
14154d401a0
15be18a1dc
hex7999c470

2040120432 has 100 divisors (see below), whose sum is σ = 6748259056. Its totient is φ = 582888960.

The previous prime is 2040120427. The next prime is 2040120437. The reversal of 2040120432 is 2340210402.

It is an interprime number because it is at equal distance from previous prime (2040120427) and next prime (2040120437).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2040120437) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 103369 + ... + 121512.

Almost surely, 22040120432 is an apocalyptic number.

It is an amenable number.

2040120432 is an abundant number, since it is smaller than the sum of its proper divisors (4708138624).

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

2040120432 is a wasteful number, since it uses less digits than its factorization.

2040120432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224908 (or 224893 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 2040120432 is about 45167.6923475176. The cubic root of 2040120432 is about 1268.2900980544.

Adding to 2040120432 its reverse (2340210402), we get a palindrome (4380330834).

The spelling of 2040120432 in words is "two billion, forty million, one hundred twenty thousand, four hundred thirty-two".

Divisors: 1 2 3 4 6 7 8 9 12 14 16 18 21 24 27 28 36 42 48 54 56 63 72 81 84 108 112 126 144 162 168 189 216 252 324 336 378 432 504 567 648 756 1008 1134 1296 1512 2268 3024 4536 9072 224881 449762 674643 899524 1349286 1574167 1799048 2023929 2698572 3148334 3598096 4047858 4722501 5397144 6071787 6296668 8095716 9445002 10794288 12143574 12593336 14167503 16191432 18215361 18890004 24287148 25186672 28335006 32382864 36430722 37780008 42502509 48574296 56670012 72861444 75560016 85005018 97148592 113340024 127507527 145722888 170010036 226680048 255015054 291445776 340020072 510030108 680040144 1020060216 2040120432