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3440041002 = 23453400657
BaseRepresentation
bin1100110100001010…
…1101110000101010
322212202001012010000
43031002231300222
524021122303002
61325204003430
7151150603026
oct31502556052
98782035100
103440041002
1115058a47a2
12800090576
1342a905228
14248c31386
1515201661c
hexcd0adc2a

3440041002 has 40 divisors (see below), whose sum is σ = 7853698116. Its totient is φ = 1125042048.

The previous prime is 3440040983. The next prime is 3440041009. The reversal of 3440041002 is 2001400443.

It can be written as a sum of positive squares in 2 ways, for example, as 3213869481 + 226171521 = 56691^2 + 15039^2 .

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 (3440041009) 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, 191743 + ... + 208914.

Almost surely, 23440041002 is an apocalyptic number.

3440041002 is an abundant number, since it is smaller than the sum of its proper divisors (4413657114).

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

3440041002 is a wasteful number, since it uses less digits than its factorization.

3440041002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 400724 (or 400715 counting only the distinct ones).

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

The square root of 3440041002 is about 58651.8627325680. The cubic root of 3440041002 is about 1509.5744604428.

Adding to 3440041002 its reverse (2001400443), we get a palindrome (5441441445).

The spelling of 3440041002 in words is "three billion, four hundred forty million, forty-one thousand, two".

Divisors: 1 2 3 6 9 18 27 53 54 81 106 159 162 318 477 954 1431 2862 4293 8586 400657 801314 1201971 2403942 3605913 7211826 10817739 21234821 21635478 32453217 42469642 63704463 64906434 127408926 191113389 382226778 573340167 1146680334 1720020501 3440041002