Search a number
-
+
149538800 = 24521721991
BaseRepresentation
bin10001110100111…
…00011111110000
3101102101100200002
420322130133300
5301240220200
622501045132
73464026115
oct1072343760
9342340602
10149538800
1177457794
12420b67a8
1324c99cc8
1415c0890c
15d1dcbd5
hex8e9c7f0

149538800 has 60 divisors (see below), whose sum is σ = 380417616. Its totient is φ = 56294400.

The previous prime is 149538769. The next prime is 149538827. The reversal of 149538800 is 8835941.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4196 + ... + 17795.

Almost surely, 2149538800 is an apocalyptic number.

149538800 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

149538800 is an abundant number, since it is smaller than the sum of its proper divisors (230878816).

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

149538800 is a wasteful number, since it uses less digits than its factorization.

149538800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22026 (or 22015 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 38.

The square root of 149538800 is about 12228.6058076953. The cubic root of 149538800 is about 530.7841720491.

The spelling of 149538800 in words is "one hundred forty-nine million, five hundred thirty-eight thousand, eight hundred".

Divisors: 1 2 4 5 8 10 16 17 20 25 34 40 50 68 80 85 100 136 170 200 272 340 400 425 680 850 1360 1700 3400 6800 21991 43982 87964 109955 175928 219910 351856 373847 439820 549775 747694 879640 1099550 1495388 1759280 1869235 2199100 2990776 3738470 4398200 5981552 7476940 8796400 9346175 14953880 18692350 29907760 37384700 74769400 149538800