Search a number
-
+
149548980 = 22357250867
BaseRepresentation
bin10001110100111…
…10111110110100
3101102101212122010
420322132332310
5301241031410
622501204220
73464100600
oct1072367664
9342355563
10149548980
11774643a9
1242100670
1324ca1829
1415c0c500
15d1e0c20
hex8e9efb4

149548980 has 72 divisors (see below), whose sum is σ = 487111968. Its totient is φ = 34181952.

The previous prime is 149548979. The next prime is 149548999. The reversal of 149548980 is 89845941.

It is a congruent number.

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 23 ways as a sum of consecutive naturals, for example, 22494 + ... + 28373.

It is an arithmetic number, because the mean of its divisors is an integer number (6765444).

Almost surely, 2149548980 is an apocalyptic number.

149548980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

149548980 is an abundant number, since it is smaller than the sum of its proper divisors (337562988).

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

149548980 is a wasteful number, since it uses less digits than its factorization.

149548980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50893 (or 50884 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 48.

The square root of 149548980 is about 12229.0220377592. The cubic root of 149548980 is about 530.7962163263.

The spelling of 149548980 in words is "one hundred forty-nine million, five hundred forty-eight thousand, nine hundred eighty".

Divisors: 1 2 3 4 5 6 7 10 12 14 15 20 21 28 30 35 42 49 60 70 84 98 105 140 147 196 210 245 294 420 490 588 735 980 1470 2940 50867 101734 152601 203468 254335 305202 356069 508670 610404 712138 763005 1017340 1068207 1424276 1526010 1780345 2136414 2492483 3052020 3560690 4272828 4984966 5341035 7121380 7477449 9969932 10682070 12462415 14954898 21364140 24924830 29909796 37387245 49849660 74774490 149548980