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3320140 = 2251091523
BaseRepresentation
bin1100101010100101001100
320020200101011
430222211030
51322221030
6155055004
740135465
oct14524514
96220334
103320140
11196851a
121141464
138c32a5
14625d6c
15458b2a
hex32a94c

3320140 has 24 divisors (see below), whose sum is σ = 7040880. Its totient is φ = 1315008.

The previous prime is 3320137. The next prime is 3320143. The reversal of 3320140 is 410233.

It is an interprime number because it is at equal distance from previous prime (3320137) and next prime (3320143).

It is a super-2 number, since 2×33201402 = 22046659239200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 3320140.

It is not an unprimeable number, because it can be changed into a prime (3320143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1419 + ... + 2941.

It is an arithmetic number, because the mean of its divisors is an integer number (293370).

Almost surely, 23320140 is an apocalyptic number.

It is an amenable number.

3320140 is an abundant number, since it is smaller than the sum of its proper divisors (3720740).

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

3320140 is a wasteful number, since it uses less digits than its factorization.

3320140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1641 (or 1639 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 3320140 is about 1822.1251329149. The cubic root of 3320140 is about 149.1828154061.

Adding to 3320140 its reverse (410233), we get a palindrome (3730373).

The spelling of 3320140 in words is "three million, three hundred twenty thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 109 218 436 545 1090 1523 2180 3046 6092 7615 15230 30460 166007 332014 664028 830035 1660070 3320140