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149449706 = 2721980263
BaseRepresentation
bin10001110100001…
…10101111101010
3101102012211110022
420322012233222
5301224342311
622455120442
73463205300
oct1072065752
9342184408
10149449706
11773a685a
1242073122
1324c685a3
1415bc4270
15d1c15db
hex8e86bea

149449706 has 24 divisors (see below), whose sum is σ = 274502880. Its totient is φ = 60678072.

The previous prime is 149449691. The next prime is 149449721. The reversal of 149449706 is 607944941.

It is an interprime number because it is at equal distance from previous prime (149449691) and next prime (149449721).

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, 38270 + ... + 41993.

It is an arithmetic number, because the mean of its divisors is an integer number (11437620).

Almost surely, 2149449706 is an apocalyptic number.

149449706 is a deficient number, since it is larger than the sum of its proper divisors (125053174).

149449706 is a wasteful number, since it uses less digits than its factorization.

149449706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80298 (or 80291 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 44.

The square root of 149449706 is about 12224.9624130302. The cubic root of 149449706 is about 530.6787388109.

The spelling of 149449706 in words is "one hundred forty-nine million, four hundred forty-nine thousand, seven hundred six".

Divisors: 1 2 7 14 19 38 49 98 133 266 931 1862 80263 160526 561841 1123682 1524997 3049994 3932887 7865774 10674979 21349958 74724853 149449706