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149487066 = 23341251269
BaseRepresentation
bin10001110100011…
…11110111011010
3101102021201201000
420322033313122
5301232041231
622500005430
73463422231
oct1072176732
9342251630
10149487066
1177421933
1242090876
1324c7c5b1
1415bd3b18
15d1cc6e6
hex8e8fdda

149487066 has 64 divisors (see below), whose sum is σ = 342921600. Its totient is φ = 48240000.

The previous prime is 149487059. The next prime is 149487077. The reversal of 149487066 is 660784941.

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 31 ways as a sum of consecutive naturals, for example, 555580 + ... + 555848.

It is an arithmetic number, because the mean of its divisors is an integer number (5358150).

Almost surely, 2149487066 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 149487066, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (171460800).

149487066 is an abundant number, since it is smaller than the sum of its proper divisors (193434534).

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

149487066 is a wasteful number, since it uses less digits than its factorization.

149487066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 572 (or 566 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 45.

The square root of 149487066 is about 12226.4903386049. The cubic root of 149487066 is about 530.7229554828.

The spelling of 149487066 in words is "one hundred forty-nine million, four hundred eighty-seven thousand, sixty-six".

Divisors: 1 2 3 6 9 18 27 41 54 82 123 246 251 269 369 502 538 738 753 807 1107 1506 1614 2214 2259 2421 4518 4842 6777 7263 10291 11029 13554 14526 20582 22058 30873 33087 61746 66174 67519 92619 99261 135038 185238 198522 202557 277857 297783 405114 555714 595566 607671 1215342 1823013 2768279 3646026 5536558 8304837 16609674 24914511 49829022 74743533 149487066