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149609824 = 2571383619
BaseRepresentation
bin10001110101011…
…01110101100000
3101102111222002121
420322231311200
5301300003244
622502354024
73464443150
oct1072556540
9342458077
10149609824
11774a6091
124212b914
1324cc3430
1415c26760
15d203c84
hex8eadd60

149609824 has 96 divisors (see below), whose sum is σ = 367476480. Its totient is φ = 58378752.

The previous prime is 149609797. The next prime is 149609827. The reversal of 149609824 is 428906941.

149609824 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149609827) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 241387 + ... + 242005.

It is an arithmetic number, because the mean of its divisors is an integer number (3827880).

Almost surely, 2149609824 is an apocalyptic number.

149609824 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 149609824, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (183738240).

149609824 is an abundant number, since it is smaller than the sum of its proper divisors (217866656).

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

149609824 is a wasteful number, since it uses less digits than its factorization.

149609824 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 732 (or 724 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 43.

The square root of 149609824 is about 12231.5094734869. The cubic root of 149609824 is about 530.8681913767.

The spelling of 149609824 in words is "one hundred forty-nine million, six hundred nine thousand, eight hundred twenty-four".

Divisors: 1 2 4 7 8 13 14 16 26 28 32 52 56 83 91 104 112 166 182 208 224 332 364 416 581 619 664 728 1079 1162 1238 1328 1456 2158 2324 2476 2656 2912 4316 4333 4648 4952 7553 8047 8632 8666 9296 9904 15106 16094 17264 17332 18592 19808 30212 32188 34528 34664 51377 56329 60424 64376 69328 102754 112658 120848 128752 138656 205508 225316 241696 257504 359639 411016 450632 667901 719278 822032 901264 1335802 1438556 1644064 1802528 2671604 2877112 4675307 5343208 5754224 9350614 10686416 11508448 18701228 21372832 37402456 74804912 149609824