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149377284 = 223472972
BaseRepresentation
bin10001110011101…
…01000100000100
3101102002011010000
420321311010010
5301220033114
622453401300
73462454200
oct1071650404
9342064100
10149377284
1177357401
1242039230
1324c41634
1415ba5b00
15d1a9e09
hex8e75104

149377284 has 135 divisors (see below), whose sum is σ = 458988453. Its totient is φ = 42239232.

The previous prime is 149377253. The next prime is 149377301. The reversal of 149377284 is 482773941.

The square root of 149377284 is 12222.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 67076100 + 82301184 = 8190^2 + 9072^2 .

Its product of digits (338688) is a multiple of the sum of its prime factors (224).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 1539924 + ... + 1540020.

Almost surely, 2149377284 is an apocalyptic number.

149377284 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

149377284 is the 12222-nd square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 149377284

149377284 is an abundant number, since it is smaller than the sum of its proper divisors (309611169).

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

149377284 is an equidigital number, since it uses as much as digits as its factorization.

149377284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224 (or 109 counting only the distinct ones).

The product of its digits is 338688, while the sum is 45.

The cubic root of 149377284 is about 530.5930042264.

It can be divided in two parts, 1493772 and 84, that added together give a triangular number (1493856 = T1728).

The spelling of 149377284 in words is "one hundred forty-nine million, three hundred seventy-seven thousand, two hundred eighty-four".

Divisors: 1 2 3 4 6 7 9 12 14 18 21 27 28 36 42 49 54 63 81 84 97 98 108 126 147 162 189 194 196 252 291 294 324 378 388 441 567 582 588 679 756 873 882 1134 1164 1323 1358 1746 1764 2037 2268 2619 2646 2716 3492 3969 4074 4753 5238 5292 6111 7857 7938 8148 9409 9506 10476 12222 14259 15714 15876 18333 18818 19012 24444 28227 28518 31428 36666 37636 42777 54999 56454 57036 65863 73332 84681 85554 109998 112908 128331 131726 169362 171108 197589 219996 254043 256662 263452 338724 384993 395178 461041 508086 513324 592767 762129 769986 790356 922082 1016172 1185534 1383123 1524258 1539972 1778301 1844164 2371068 2766246 3048516 3556602 4149369 5334903 5532492 7113204 8298738 10669806 12448107 16597476 21339612 24896214 37344321 49792428 74688642 149377284