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49285665 = 34511132337
BaseRepresentation
bin1011110000000…
…0101000100001
310102201222020000
42330000220201
5100104120130
64520210213
71135630662
oct274005041
9112658200
1049285665
1125903060
1214609969
13a298220
14678d369
1544d8260
hex2f00a21

49285665 has 160 divisors (see below), whose sum is σ = 111234816. Its totient is φ = 20528640.

The previous prime is 49285637. The next prime is 49285673. The reversal of 49285665 is 56658294.

It is not a de Polignac number, because 49285665 - 25 = 49285633 is a prime.

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

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 49285665.

It is an unprimeable number.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 1332027 + ... + 1332063.

Almost surely, 249285665 is an apocalyptic number.

49285665 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

49285665 is an abundant number, since it is smaller than the sum of its proper divisors (61949151).

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

49285665 is a wasteful number, since it uses less digits than its factorization.

49285665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101 (or 92 counting only the distinct ones).

The product of its digits is 518400, while the sum is 45.

The square root of 49285665 is about 7020.3749899845. The cubic root of 49285665 is about 366.6403061857.

The spelling of 49285665 in words is "forty-nine million, two hundred eighty-five thousand, six hundred sixty-five".

Divisors: 1 3 5 9 11 13 15 23 27 33 37 39 45 55 65 69 81 99 111 115 117 135 143 165 185 195 207 253 297 299 333 345 351 405 407 429 481 495 555 585 621 715 759 851 891 897 999 1035 1053 1221 1265 1287 1443 1485 1495 1665 1755 1863 2035 2145 2277 2405 2553 2691 2997 3105 3289 3663 3795 3861 4255 4329 4455 4485 4995 5265 5291 6105 6435 6831 7215 7659 8073 9315 9361 9867 10989 11063 11385 11583 12765 12987 13455 14985 15873 16445 18315 19305 20493 21645 22977 24219 26455 28083 29601 32967 33189 34155 38295 38961 40365 46805 47619 49335 54945 55315 57915 64935 68931 79365 84249 88803 99567 102465 114885 121095 121693 140415 142857 148005 164835 165945 194805 238095 252747 266409 298701 344655 365079 421245 428571 444015 497835 608465 714285 758241 896103 1095237 1263735 1332045 1493505 1825395 2142855 3285711 3791205 4480515 5476185 9857133 16428555 49285665