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149398768 = 2471347379
BaseRepresentation
bin10001110011110…
…10010011110000
3101102010020120201
420321322103300
5301221230033
622454044544
73462603631
oct1071722360
9342106521
10149398768
1177371562
1242049754
1324c4b34c
1415bad888
15d1b147d
hex8e7a4f0

149398768 has 40 divisors (see below), whose sum is σ = 295159680. Its totient is φ = 73241280.

The previous prime is 149398763. The next prime is 149398817. The reversal of 149398768 is 867893941.

149398768 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 (149398763) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 394003 + ... + 394381.

It is an arithmetic number, because the mean of its divisors is an integer number (7378992).

Almost surely, 2149398768 is an apocalyptic number.

It is an amenable number.

149398768 is a deficient number, since it is larger than the sum of its proper divisors (145760912).

149398768 is a wasteful number, since it uses less digits than its factorization.

149398768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 805 (or 799 counting only the distinct ones).

The product of its digits is 2612736, while the sum is 55.

The square root of 149398768 is about 12222.8788752896. The cubic root of 149398768 is about 530.6184402975.

The spelling of 149398768 in words is "one hundred forty-nine million, three hundred ninety-eight thousand, seven hundred sixty-eight".

Divisors: 1 2 4 8 16 71 142 284 347 379 568 694 758 1136 1388 1516 2776 3032 5552 6064 24637 26909 49274 53818 98548 107636 131513 197096 215272 263026 394192 430544 526052 1052104 2104208 9337423 18674846 37349692 74699384 149398768