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108252045 = 345112472
BaseRepresentation
bin1100111001111…
…00101110001101
321112200202220000
412130330232031
5210203031140
614424114513
72453061426
oct634745615
9245622800
10108252045
1156118400
1230305a39
1319572885
141053c64d
159784a30
hex673cb8d

108252045 has 90 divisors (see below), whose sum is σ = 217931406. Its totient is φ = 51369120.

The previous prime is 108252043. The next prime is 108252077. The reversal of 108252045 is 540252801.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 86601636 + 21650409 = 9306^2 + 4653^2 .

It is not a de Polignac number, because 108252045 - 21 = 108252043 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (108252043) by changing a digit.

It is a polite number, since it can be written in 89 ways as a sum of consecutive naturals, for example, 2303212 + ... + 2303258.

Almost surely, 2108252045 is an apocalyptic number.

108252045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

108252045 is an abundant number, since it is smaller than the sum of its proper divisors (109679361).

108252045 is an equidigital number, since it uses as much as digits as its factorization.

108252045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133 (or 66 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 27.

The square root of 108252045 is about 10404.4242993065. The cubic root of 108252045 is about 476.5904874972.

The spelling of 108252045 in words is "one hundred eight million, two hundred fifty-two thousand, forty-five".

Divisors: 1 3 5 9 11 15 27 33 45 47 55 81 99 121 135 141 165 235 297 363 405 423 495 517 605 705 891 1089 1269 1485 1551 1815 2115 2209 2585 3267 3807 4455 4653 5445 5687 6345 6627 7755 9801 11045 13959 16335 17061 19035 19881 23265 24299 28435 33135 41877 49005 51183 59643 69795 72897 85305 99405 121495 153549 178929 209385 218691 255915 267289 298215 364485 460647 656073 767745 801867 894645 1093455 1336445 1968219 2303235 2405601 3280365 4009335 7216803 9841095 12028005 21650409 36084015 108252045