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149041928 = 23721920011
BaseRepresentation
bin10001110001000…
…11001100001000
3101101110010002102
420320203030020
5301123320203
622442252532
73456556400
oct1070431410
9341403072
10149041928
1177148452
1241ab7148
1324b54ab9
1415b19800
15d140888
hex8e23308

149041928 has 48 divisors (see below), whose sum is σ = 342205200. Its totient is φ = 60510240.

The previous prime is 149041901. The next prime is 149041943. The reversal of 149041928 is 829140941.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a junction number, because it is equal to n+sod(n) for n = 149041891 and 149041900.

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, 2558 + ... + 17453.

It is an arithmetic number, because the mean of its divisors is an integer number (7129275).

Almost surely, 2149041928 is an apocalyptic number.

It is an amenable number.

149041928 is an abundant number, since it is smaller than the sum of its proper divisors (193163272).

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

149041928 is a wasteful number, since it uses less digits than its factorization.

149041928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20050 (or 20039 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 38.

The square root of 149041928 is about 12208.2729327289. The cubic root of 149041928 is about 530.1956415501.

The spelling of 149041928 in words is "one hundred forty-nine million, forty-one thousand, nine hundred twenty-eight".

Divisors: 1 2 4 7 8 14 19 28 38 49 56 76 98 133 152 196 266 392 532 931 1064 1862 3724 7448 20011 40022 80044 140077 160088 280154 380209 560308 760418 980539 1120616 1520836 1961078 2661463 3041672 3922156 5322926 7844312 10645852 18630241 21291704 37260482 74520964 149041928