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2219992404 = 223726428481
BaseRepresentation
bin1000010001010010…
…0110010101010100
312201201022022001220
42010110212111110
514021304224104
61004142050340
7106004424030
oct20424462524
95651268056
102219992404
11a3a145173
1251b5799b0
13294c11496
14170ba31c0
15ced6a7d9
hex84526554

2219992404 has 24 divisors (see below), whose sum is σ = 5919979968. Its totient is φ = 634283520.

The previous prime is 2219992399. The next prime is 2219992421. The reversal of 2219992404 is 4042999122.

It is a Harshad number since it is a multiple of its sum of digits (42).

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, 13214157 + ... + 13214324.

It is an arithmetic number, because the mean of its divisors is an integer number (246665832).

Almost surely, 22219992404 is an apocalyptic number.

It is an amenable number.

2219992404 is an abundant number, since it is smaller than the sum of its proper divisors (3699987564).

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

2219992404 is a wasteful number, since it uses less digits than its factorization.

2219992404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26428495 (or 26428493 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 42.

The square root of 2219992404 is about 47116.7953494293. The cubic root of 2219992404 is about 1304.5192621600.

The spelling of 2219992404 in words is "two billion, two hundred nineteen million, nine hundred ninety-two thousand, four hundred four".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 84 26428481 52856962 79285443 105713924 158570886 184999367 317141772 369998734 554998101 739997468 1109996202 2219992404