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2238498045 = 33578532777
BaseRepresentation
bin1000010101101100…
…1100010011111101
312210000010111001000
42011123030103331
514041023414140
61010042440513
7106320630240
oct20533142375
95700114030
102238498045
11a49634793
12525803139
132989c0674
1417341d257
15d17c3a30
hex856cc4fd

2238498045 has 64 divisors (see below), whose sum is σ = 4555031040. Its totient is φ = 1021745664.

The previous prime is 2238497981. The next prime is 2238498077. The reversal of 2238498045 is 5408948322.

It is not a de Polignac number, because 2238498045 - 26 = 2238497981 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 804697 + ... + 807473.

It is an arithmetic number, because the mean of its divisors is an integer number (71172360).

Almost surely, 22238498045 is an apocalyptic number.

It is an amenable number.

2238498045 is an abundant number, since it is smaller than the sum of its proper divisors (2316532995).

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

2238498045 is a wasteful number, since it uses less digits than its factorization.

2238498045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3651 (or 3645 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 45.

The square root of 2238498045 is about 47312.7683083541. The cubic root of 2238498045 is about 1308.1340185463.

The spelling of 2238498045 in words is "two billion, two hundred thirty-eight million, four hundred ninety-eight thousand, forty-five".

Divisors: 1 3 5 7 9 15 21 27 35 45 63 105 135 189 315 853 945 2559 2777 4265 5971 7677 8331 12795 13885 17913 19439 23031 24993 29855 38385 41655 53739 58317 74979 89565 97195 115155 124965 161217 174951 268695 291585 374895 524853 806085 874755 2368781 2624265 7106343 11843905 16581467 21319029 35531715 49744401 63957087 82907335 106595145 149233203 248722005 319785435 447699609 746166015 2238498045