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228765195 = 3352971823
BaseRepresentation
bin11011010001010…
…10111000001011
3120221110110212000
431220222320023
5432030441240
634411122043
75445320631
oct1550527013
9527413760
10228765195
1110814a74a
1264743323
1338519229
142254d351
151513c430
hexda2ae0b

228765195 has 64 divisors (see below), whose sum is σ = 427161600. Its totient is φ = 116000640.

The previous prime is 228765157. The next prime is 228765233. The reversal of 228765195 is 591567822.

228765195 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (228765157) and next prime (228765233).

It is not a de Polignac number, because 228765195 - 216 = 228699659 is a prime.

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

It is a self number, because there is not a number n which added to its sum of digits gives 228765195.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 277554 + ... + 278376.

It is an arithmetic number, because the mean of its divisors is an integer number (6674400).

Almost surely, 2228765195 is an apocalyptic number.

228765195 is a deficient number, since it is larger than the sum of its proper divisors (198396405).

228765195 is a wasteful number, since it uses less digits than its factorization.

228765195 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 937 (or 931 counting only the distinct ones).

The product of its digits is 302400, while the sum is 45.

The square root of 228765195 is about 15124.9857851173. The cubic root of 228765195 is about 611.5941417112.

The spelling of 228765195 in words is "two hundred twenty-eight million, seven hundred sixty-five thousand, one hundred ninety-five".

Divisors: 1 3 5 9 15 27 29 45 71 87 135 145 213 261 355 435 639 783 823 1065 1305 1917 2059 2469 3195 3915 4115 6177 7407 9585 10295 12345 18531 22221 23867 30885 37035 55593 58433 71601 92655 111105 119335 175299 214803 277965 292165 358005 525897 644409 876495 1074015 1577691 1694557 2629485 3222045 5083671 7888455 8472785 15251013 25418355 45753039 76255065 228765195