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149839396 = 22719281653
BaseRepresentation
bin10001110111001…
…01111000100100
3101102221122000021
420323211320210
5301324330041
622511324524
73466420360
oct1073457044
9342848007
10149839396
1177642613
1242220744
1325073a85
1415c862a0
15d24bcd1
hex8ee5e24

149839396 has 24 divisors (see below), whose sum is σ = 315452480. Its totient is φ = 60836832.

The previous prime is 149839369. The next prime is 149839429. The reversal of 149839396 is 693938941.

149839396 is digitally balanced in base 2 and base 3, because in such bases 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, 140295 + ... + 141358.

Almost surely, 2149839396 is an apocalyptic number.

It is an amenable number.

149839396 is an abundant number, since it is smaller than the sum of its proper divisors (165613084).

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

149839396 is a wasteful number, since it uses less digits than its factorization.

149839396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 281683 (or 281681 counting only the distinct ones).

The product of its digits is 1259712, while the sum is 52.

The square root of 149839396 is about 12240.8903270963. The cubic root of 149839396 is about 531.1395866315.

The spelling of 149839396 in words is "one hundred forty-nine million, eight hundred thirty-nine thousand, three hundred ninety-six".

Divisors: 1 2 4 7 14 19 28 38 76 133 266 532 281653 563306 1126612 1971571 3943142 5351407 7886284 10702814 21405628 37459849 74919698 149839396