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149913896 = 23111012167
BaseRepresentation
bin10001110111110…
…00000100101000
3101110002102012112
420323320010220
5301334221041
622513101452
73500150516
oct1073700450
9343072175
10149913896
1177693590
1242257888
132509b962
1415ca54b6
15d263deb
hex8ef8128

149913896 has 48 divisors (see below), whose sum is σ = 311562720. Its totient is φ = 67064000.

The previous prime is 149913887. The next prime is 149913919. The reversal of 149913896 is 698319941.

It is a congruent number.

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, 897605 + ... + 897771.

It is an arithmetic number, because the mean of its divisors is an integer number (6490890).

Almost surely, 2149913896 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 149913896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (155781360).

149913896 is an abundant number, since it is smaller than the sum of its proper divisors (161648824).

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

149913896 is a wasteful number, since it uses less digits than its factorization.

149913896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 386 (or 281 counting only the distinct ones).

The product of its digits is 419904, while the sum is 50.

The square root of 149913896 is about 12243.9330282389. The cubic root of 149913896 is about 531.2275994061.

The spelling of 149913896 in words is "one hundred forty-nine million, nine hundred thirteen thousand, eight hundred ninety-six".

Divisors: 1 2 4 8 11 22 44 88 101 167 202 334 404 668 808 1111 1336 1837 2222 3674 4444 7348 8888 10201 14696 16867 20402 33734 40804 67468 81608 112211 134936 185537 224422 371074 448844 742148 897688 1484296 1703567 3407134 6814268 13628536 18739237 37478474 74956948 149913896