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2238903140 = 225269416153
BaseRepresentation
bin1000010101110010…
…1111001101100100
312210000220001201112
42011130233031210
514041124400030
61010055244152
7106324235255
oct20534571544
95700801645
102238903140
11a49891081
12525979658
13298b02b76
141734c6b2c
15d1853a95
hex8572f364

2238903140 has 24 divisors (see below), whose sum is σ = 4719186360. Its totient is φ = 892229888.

The previous prime is 2238903127. The next prime is 2238903167. The reversal of 2238903140 is 413098322.

It is a happy number.

2238903140 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 293916736 + 1944986404 = 17144^2 + 44102^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2238903097 and 2238903106.

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, 202697 + ... + 213456.

It is an arithmetic number, because the mean of its divisors is an integer number (196632765).

Almost surely, 22238903140 is an apocalyptic number.

2238903140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2238903140 is an abundant number, since it is smaller than the sum of its proper divisors (2480283220).

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

2238903140 is a wasteful number, since it uses less digits than its factorization.

2238903140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 416431 (or 416429 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 2238903140 is about 47317.0491472154. The cubic root of 2238903140 is about 1308.2129236242.

The spelling of 2238903140 in words is "two billion, two hundred thirty-eight million, nine hundred three thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 269 538 1076 1345 2690 5380 416153 832306 1664612 2080765 4161530 8323060 111945157 223890314 447780628 559725785 1119451570 2238903140