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3101340440 = 2351131227371
BaseRepresentation
bin1011100011011010…
…1011001100011000
322000010201102021202
42320312223030120
522322420343230
61231424253332
7136565646602
oct27066531430
98003642252
103101340440
111351697a80
12726771248
133a56a71b3
14215c66172
15132410a45
hexb8dab318

3101340440 has 64 divisors (see below), whose sum is σ = 7857976320. Its totient is φ = 1091376000.

The previous prime is 3101340439. The next prime is 3101340443. The reversal of 3101340440 is 440431013.

It is a happy number.

3101340440 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3101340443) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 100046 + ... + 127325.

It is an arithmetic number, because the mean of its divisors is an integer number (122780880).

Almost surely, 23101340440 is an apocalyptic number.

It is an amenable number.

3101340440 is an abundant number, since it is smaller than the sum of its proper divisors (4756635880).

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

3101340440 is a wasteful number, since it uses less digits than its factorization.

3101340440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227424 (or 227420 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 3101340440 is about 55689.6798338795. The cubic root of 3101340440 is about 1458.3098663181.

Adding to 3101340440 its reverse (440431013), we get a palindrome (3541771453).

The spelling of 3101340440 in words is "three billion, one hundred one million, three hundred forty thousand, four hundred forty".

Divisors: 1 2 4 5 8 10 11 20 22 31 40 44 55 62 88 110 124 155 220 248 310 341 440 620 682 1240 1364 1705 2728 3410 6820 13640 227371 454742 909484 1136855 1818968 2273710 2501081 4547420 5002162 7048501 9094840 10004324 12505405 14097002 20008648 25010810 28194004 35242505 50021620 56388008 70485010 77533511 100043240 140970020 155067022 281940040 310134044 387667555 620268088 775335110 1550670220 3101340440