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149912298 = 23223362107
BaseRepresentation
bin10001110111101…
…11101011101010
3101110002100000100
420323313223222
5301334143143
622513050230
73500143044
oct1073675352
9343070010
10149912298
1177692368
1242256976
132509b003
1415ca4a94
15d2636d3
hex8ef7aea

149912298 has 24 divisors (see below), whose sum is σ = 338933088. Its totient is φ = 47797992.

The previous prime is 149912293. The next prime is 149912303. The reversal of 149912298 is 892219941.

It is an interprime number because it is at equal distance from previous prime (149912293) and next prime (149912303).

It is not an unprimeable number, because it can be changed into a prime (149912291) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 180640 + ... + 181467.

It is an arithmetic number, because the mean of its divisors is an integer number (14122212).

Almost surely, 2149912298 is an apocalyptic number.

149912298 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

149912298 is an abundant number, since it is smaller than the sum of its proper divisors (189020790).

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

149912298 is a wasteful number, since it uses less digits than its factorization.

149912298 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 362138 (or 362135 counting only the distinct ones).

The product of its digits is 93312, while the sum is 45.

The square root of 149912298 is about 12243.8677712559. The cubic root of 149912298 is about 531.2257118677.

The spelling of 149912298 in words is "one hundred forty-nine million, nine hundred twelve thousand, two hundred ninety-eight".

Divisors: 1 2 3 6 9 18 23 46 69 138 207 414 362107 724214 1086321 2172642 3258963 6517926 8328461 16656922 24985383 49970766 74956149 149912298