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149402928 = 24319163819
BaseRepresentation
bin10001110011110…
…11010100110000
3101102010110021210
420321323110300
5301221343203
622454120120
73462622023
oct1071732460
9342113253
10149402928
11773746a4
1242050040
1324c501cc
1415bb11ba
15d1b2803
hex8e7b530

149402928 has 40 divisors (see below), whose sum is σ = 406273600. Its totient is φ = 47179584.

The previous prime is 149402881. The next prime is 149402933. The reversal of 149402928 is 829204941.

149402928 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 80998 + ... + 82821.

It is an arithmetic number, because the mean of its divisors is an integer number (10156840).

Almost surely, 2149402928 is an apocalyptic number.

It is an amenable number.

149402928 is an abundant number, since it is smaller than the sum of its proper divisors (256870672).

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

149402928 is a wasteful number, since it uses less digits than its factorization.

149402928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163849 (or 163843 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 39.

The square root of 149402928 is about 12223.0490467804. The cubic root of 149402928 is about 530.6233652650.

The spelling of 149402928 in words is "one hundred forty-nine million, four hundred two thousand, nine hundred twenty-eight".

Divisors: 1 2 3 4 6 8 12 16 19 24 38 48 57 76 114 152 228 304 456 912 163819 327638 491457 655276 982914 1310552 1965828 2621104 3112561 3931656 6225122 7863312 9337683 12450244 18675366 24900488 37350732 49800976 74701464 149402928