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149474325 = 352711213181
BaseRepresentation
bin10001110100011…
…00110000010101
3101102021002020010
420322030300111
5301231134300
622455430433
73463340130
oct1072146025
9342232203
10149474325
1177413300
1242085419
1324c76860
1415bcd217
15d1c8a50
hex8e8cc15

149474325 has 144 divisors (see below), whose sum is σ = 336172928. Its totient is φ = 57024000.

The previous prime is 149474293. The next prime is 149474327. The reversal of 149474325 is 523474941.

It is not a de Polignac number, because 149474325 - 25 = 149474293 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149474327) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 825735 + ... + 825915.

Almost surely, 2149474325 is an apocalyptic number.

149474325 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

149474325 is the 7059-th octagonal number.

It is an amenable number.

149474325 is an abundant number, since it is smaller than the sum of its proper divisors (186698603).

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

149474325 is a wasteful number, since it uses less digits than its factorization.

149474325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 236 (or 220 counting only the distinct ones).

The product of its digits is 120960, while the sum is 39.

The square root of 149474325 is about 12225.9692867273. The cubic root of 149474325 is about 530.7078769580.

It can be divided in two parts, 149 and 474325, that added together give a palindrome (474474).

The spelling of 149474325 in words is "one hundred forty-nine million, four hundred seventy-four thousand, three hundred twenty-five".

Divisors: 1 3 5 7 11 13 15 21 25 33 35 39 55 65 75 77 91 105 121 143 165 175 181 195 231 273 275 325 363 385 429 455 525 543 605 715 825 847 905 975 1001 1155 1267 1365 1573 1815 1925 1991 2145 2275 2353 2541 2715 3003 3025 3575 3801 4235 4525 4719 5005 5775 5973 6335 6825 7059 7865 9075 9955 10725 11011 11765 12705 13575 13937 15015 16471 19005 21175 21901 23595 25025 25883 29865 31675 33033 35295 39325 41811 49413 49775 55055 58825 63525 65703 69685 75075 77649 82355 95025 109505 117975 129415 149325 153307 165165 176475 181181 209055 247065 275275 284713 328515 348425 388245 411775 459921 543543 547525 647075 766535 825825 854139 905905 1045275 1235325 1423565 1642575 1941225 1992991 2299605 2717715 3832675 4270695 4529525 5978973 7117825 9964955 11498025 13588575 21353475 29894865 49824775 149474325