Search a number
-
+
40235501000 = 235340235501
BaseRepresentation
bin100101011110001110…
…010000010111001000
310211212002012020010202
4211132032100113020
51124400242013000
630252310231332
72623034054432
oct453616202710
9124762166122
1040235501000
1116077989472
12796a955548
133a42ab9676
141d39991652
1510a7504dd5
hex95e3905c8

40235501000 has 32 divisors (see below), whose sum is σ = 94151074680. Its totient is φ = 16094200000.

The previous prime is 40235500979. The next prime is 40235501023. The reversal of 40235501000 is 10553204.

It can be written as a sum of positive squares in 4 ways, for example, as 22706270596 + 17529230404 = 150686^2 + 132398^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20116751 + ... + 20118750.

Almost surely, 240235501000 is an apocalyptic number.

40235501000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40235501000 is an abundant number, since it is smaller than the sum of its proper divisors (53915573680).

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

40235501000 is a wasteful number, since it uses less digits than its factorization.

40235501000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40235522 (or 40235508 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 20.

The spelling of 40235501000 in words is "forty billion, two hundred thirty-five million, five hundred one thousand".

Divisors: 1 2 4 5 8 10 20 25 40 50 100 125 200 250 500 1000 40235501 80471002 160942004 201177505 321884008 402355010 804710020 1005887525 1609420040 2011775050 4023550100 5029437625 8047100200 10058875250 20117750500 40235501000