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2238390044 = 221150872501
BaseRepresentation
bin1000010101101011…
…0001111100011100
312202222220222212222
42011122301330130
514041011440134
61010040244512
7106320000332
oct20532617434
95688828788
102238390044
11a49570630
12525770738
13298983467
141733d1b52
15d17a1a2e
hex856b1f1c

2238390044 has 12 divisors (see below), whose sum is σ = 4273290168. Its totient is φ = 1017450000.

The previous prime is 2238390043. The next prime is 2238390053. The reversal of 2238390044 is 4400938322.

It is a happy number.

2238390044 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 2238389986 and 2238390013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2238390043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25436207 + ... + 25436294.

It is an arithmetic number, because the mean of its divisors is an integer number (356107514).

Almost surely, 22238390044 is an apocalyptic number.

It is an amenable number.

2238390044 is a deficient number, since it is larger than the sum of its proper divisors (2034900124).

2238390044 is a wasteful number, since it uses less digits than its factorization.

2238390044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50872516 (or 50872514 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 35.

The square root of 2238390044 is about 47311.6269430676. The cubic root of 2238390044 is about 1308.1129803246.

The spelling of 2238390044 in words is "two billion, two hundred thirty-eight million, three hundred ninety thousand, forty-four".

Divisors: 1 2 4 11 22 44 50872501 101745002 203490004 559597511 1119195022 2238390044