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149299284 = 22312441607
BaseRepresentation
bin10001110011000…
…10000001010100
3101101221012010010
420321202001110
5301210034114
622452000220
73462010611
oct1071420124
9341835103
10149299284
1177303842
1242000070
1324c14c94
1415b85508
15d191c59
hex8e62054

149299284 has 12 divisors (see below), whose sum is σ = 348365024. Its totient is φ = 49766424.

The previous prime is 149299231. The next prime is 149299289. The reversal of 149299284 is 482992941.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149299289) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6220792 + ... + 6220815.

Almost surely, 2149299284 is an apocalyptic number.

It is an amenable number.

149299284 is an abundant number, since it is smaller than the sum of its proper divisors (199065740).

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

149299284 is a wasteful number, since it uses less digits than its factorization.

149299284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12441614 (or 12441612 counting only the distinct ones).

The product of its digits is 373248, while the sum is 48.

The square root of 149299284 is about 12218.8086162277. The cubic root of 149299284 is about 530.5006352958.

The spelling of 149299284 in words is "one hundred forty-nine million, two hundred ninety-nine thousand, two hundred eighty-four".

Divisors: 1 2 3 4 6 12 12441607 24883214 37324821 49766428 74649642 149299284