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3223040420 = 225792039899
BaseRepresentation
bin1100000000011011…
…1011000110100100
322022121201102021102
43000012323012210
523100044243140
61251452535232
7142604251205
oct30006730644
98277642242
103223040420
11140435aa76
1275b481518
133c4977b12
142280a55ac
1513ce4ee15
hexc01bb1a4

3223040420 has 24 divisors (see below), whose sum is σ = 6854064000. Its totient is φ = 1272896352.

The previous prime is 3223040419. The next prime is 3223040423. The reversal of 3223040420 is 240403223.

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

It is a junction number, because it is equal to n+sod(n) for n = 3223040392 and 3223040401.

It is not an unprimeable number, because it can be changed into a prime (3223040423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1018370 + ... + 1021529.

It is an arithmetic number, because the mean of its divisors is an integer number (285586000).

Almost surely, 23223040420 is an apocalyptic number.

It is an amenable number.

3223040420 is an abundant number, since it is smaller than the sum of its proper divisors (3631023580).

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

3223040420 is a wasteful number, since it uses less digits than its factorization.

3223040420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2039987 (or 2039985 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 20.

The square root of 3223040420 is about 56771.8276964904. The cubic root of 3223040420 is about 1477.1408796391.

Adding to 3223040420 its reverse (240403223), we get a palindrome (3463443643).

The spelling of 3223040420 in words is "three billion, two hundred twenty-three million, forty thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 79 158 316 395 790 1580 2039899 4079798 8159596 10199495 20398990 40797980 161152021 322304042 644608084 805760105 1611520210 3223040420