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3440040354 = 23421234817
BaseRepresentation
bin1100110100001010…
…1101100110100010
322212202001011020000
43031002231212202
524021122242404
61325204000430
7151150601112
oct31502554642
98782034200
103440040354
1115058a4263
12800090116
1342a904b4a
14248c31042
15152016339
hexcd0ad9a2

3440040354 has 20 divisors (see below), whose sum is σ = 7708238934. Its totient is φ = 1146680064.

The previous prime is 3440040341. The next prime is 3440040427. The reversal of 3440040354 is 4530400443.

It can be written as a sum of positive squares in only one way, i.e., 3425409729 + 14630625 = 58527^2 + 3825^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 10617247 + ... + 10617570.

Almost surely, 23440040354 is an apocalyptic number.

3440040354 is an abundant number, since it is smaller than the sum of its proper divisors (4268198580).

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

3440040354 is a wasteful number, since it uses less digits than its factorization.

3440040354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21234831 (or 21234822 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 27.

The square root of 3440040354 is about 58651.8572084465. The cubic root of 3440040354 is about 1509.5743656567.

Adding to 3440040354 its reverse (4530400443), we get a palindrome (7970440797).

The spelling of 3440040354 in words is "three billion, four hundred forty million, forty thousand, three hundred fifty-four".

Divisors: 1 2 3 6 9 18 27 54 81 162 21234817 42469634 63704451 127408902 191113353 382226706 573340059 1146680118 1720020177 3440040354