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149856470 = 25109137483
BaseRepresentation
bin10001110111010…
…10000011010110
3101102222111102122
420323222003112
5301330401340
622511535542
73466521221
oct1073520326
9342874378
10149856470
1177654425
124222a5b2
132507b78a
1415c8c5b8
15d251db5
hex8eea0d6

149856470 has 16 divisors (see below), whose sum is σ = 272218320. Its totient is φ = 59392224.

The previous prime is 149856467. The next prime is 149856481. The reversal of 149856470 is 74658941.

149856470 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 an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67652 + ... + 69831.

It is an arithmetic number, because the mean of its divisors is an integer number (17013645).

Almost surely, 2149856470 is an apocalyptic number.

149856470 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

149856470 is a deficient number, since it is larger than the sum of its proper divisors (122361850).

149856470 is a wasteful number, since it uses less digits than its factorization.

149856470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137599.

The product of its (nonzero) digits is 241920, while the sum is 44.

The square root of 149856470 is about 12241.5877238208. The cubic root of 149856470 is about 531.1597600819.

The spelling of 149856470 in words is "one hundred forty-nine million, eight hundred fifty-six thousand, four hundred seventy".

Divisors: 1 2 5 10 109 218 545 1090 137483 274966 687415 1374830 14985647 29971294 74928235 149856470