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149116492 = 22729409449
BaseRepresentation
bin10001110001101…
…01011001001100
3101101120220101001
420320311121030
5301133211432
622444030044
73460316650
oct1070653114
9341526331
10149116492
1177199478
1241b32324
1324b7ca15
1415b38a60
15d1579e7
hex8e3564c

149116492 has 48 divisors (see below), whose sum is σ = 309960000. Its totient is φ = 61415424.

The previous prime is 149116453. The next prime is 149116519. The reversal of 149116492 is 294611941.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 331884 + ... + 332332.

It is an arithmetic number, because the mean of its divisors is an integer number (6457500).

Almost surely, 2149116492 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 149116492, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (154980000).

149116492 is an abundant number, since it is smaller than the sum of its proper divisors (160843508).

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

149116492 is a wasteful number, since it uses less digits than its factorization.

149116492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 898 (or 896 counting only the distinct ones).

The product of its digits is 15552, while the sum is 37.

The square root of 149116492 is about 12211.3263816835. The cubic root of 149116492 is about 530.2840437813.

The spelling of 149116492 in words is "one hundred forty-nine million, one hundred sixteen thousand, four hundred ninety-two".

Divisors: 1 2 4 7 14 28 29 58 116 203 406 409 449 812 818 898 1636 1796 2863 3143 5726 6286 11452 11861 12572 13021 23722 26042 47444 52084 83027 91147 166054 182294 183641 332108 364588 367282 734564 1285487 2570974 5141948 5325589 10651178 21302356 37279123 74558246 149116492