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2040024402 = 2321315755529
BaseRepresentation
bin111100110011000…
…0100110101010010
312021011122222101100
41321212010311102
513134221240102
6534232445230
7101360631003
oct17146046522
95234588340
102040024402
119575a4589
1248b249816
1326684c040
14154d171aa
15be16ba1c
hex79984d52

2040024402 has 48 divisors (see below), whose sum is σ = 4790462040. Its totient is φ = 623690496.

The previous prime is 2040024391. The next prime is 2040024407. The reversal of 2040024402 is 2044200402.

2040024402 is a `hidden beast` number, since 20 + 400 + 244 + 0 + 2 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 508006521 + 1532017881 = 22539^2 + 39141^2 .

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

It is not an unprimeable number, because it can be changed into a prime (2040024407) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8974 + ... + 64502.

Almost surely, 22040024402 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2040024402, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2395231020).

2040024402 is an abundant number, since it is smaller than the sum of its proper divisors (2750437638).

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

2040024402 is a wasteful number, since it uses less digits than its factorization.

2040024402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55707 (or 55704 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 18.

The square root of 2040024402 is about 45166.6292964175. The cubic root of 2040024402 is about 1268.2701979532.

Adding to 2040024402 its reverse (2044200402), we get a palindrome (4084224804).

The spelling of 2040024402 in words is "two billion, forty million, twenty-four thousand, four hundred two".

Divisors: 1 2 3 6 9 13 18 26 39 78 117 157 234 314 471 942 1413 2041 2826 4082 6123 12246 18369 36738 55529 111058 166587 333174 499761 721877 999522 1443754 2165631 4331262 6496893 8718053 12993786 17436106 26154159 52308318 78462477 113334689 156924954 226669378 340004067 680008134 1020012201 2040024402