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2200422640 = 245132115791
BaseRepresentation
bin1000001100100111…
…1100100011110000
312200100111001101211
42003021330203300
514001302011030
61002202405504
7105346166233
oct20311744360
95610431354
102200422640
11a2a099109
12514b00894
13290b4bb40
1416c34b41a
15cd2a212a
hex8327c8f0

2200422640 has 40 divisors (see below), whose sum is σ = 5509522368. Its totient is φ = 812463360.

The previous prime is 2200422599. The next prime is 2200422689. The reversal of 2200422640 is 462240022.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1056856 + ... + 1058935.

Almost surely, 22200422640 is an apocalyptic number.

2200422640 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2200422640 is an abundant number, since it is smaller than the sum of its proper divisors (3309099728).

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

2200422640 is a wasteful number, since it uses less digits than its factorization.

2200422640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2115817 (or 2115811 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 2200422640 is about 46908.6627394131. The cubic root of 2200422640 is about 1300.6747266655.

Adding to 2200422640 its reverse (462240022), we get a palindrome (2662662662).

It can be divided in two parts, 22004 and 22640, that added together give a palindrome (44644).

The spelling of 2200422640 in words is "two billion, two hundred million, four hundred twenty-two thousand, six hundred forty".

Divisors: 1 2 4 5 8 10 13 16 20 26 40 52 65 80 104 130 208 260 520 1040 2115791 4231582 8463164 10578955 16926328 21157910 27505283 33852656 42315820 55010566 84631640 110021132 137526415 169263280 220042264 275052830 440084528 550105660 1100211320 2200422640