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3440220413 = 74746722391
BaseRepresentation
bin1100110100001101…
…1001100011111101
322212202101022012212
43031003121203331
524021144023123
61325211510205
7151152251060
oct31503314375
98782338185
103440220413
111505a07573
12800158365
1342a968aa6
14248c7a8d7
1515204e878
hexcd0d98fd

3440220413 has 16 divisors (see below), whose sum is σ = 4024111104. Its totient is φ = 2879712240.

The previous prime is 3440220409. The next prime is 3440220449. The reversal of 3440220413 is 3140220443.

It is a cyclic number.

It is not a de Polignac number, because 3440220413 - 22 = 3440220409 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3440225413) 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, 142448 + ... + 164838.

It is an arithmetic number, because the mean of its divisors is an integer number (251506944).

Almost surely, 23440220413 is an apocalyptic number.

It is an amenable number.

3440220413 is a deficient number, since it is larger than the sum of its proper divisors (583890691).

3440220413 is a wasteful number, since it uses less digits than its factorization.

3440220413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22912.

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 3440220413 is about 58653.3921695924. The cubic root of 3440220413 is about 1509.6007033040.

Adding to 3440220413 its reverse (3140220443), we get a palindrome (6580440856).

The spelling of 3440220413 in words is "three billion, four hundred forty million, two hundred twenty thousand, four hundred thirteen".

Divisors: 1 7 47 329 467 3269 21949 22391 153643 156737 1052377 7366639 10456597 73196179 491460059 3440220413