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149007744 = 2732129347
BaseRepresentation
bin10001110000110…
…10110110000000
3101101101101012100
420320122312000
5301121221434
622441430400
73456354624
oct1070326600
9341341170
10149007744
11771247a6
1241a9b400
1324b42382
1415b0b184
15d135699
hex8e1ad80

149007744 has 48 divisors (see below), whose sum is σ = 428788620. Its totient is φ = 49668864.

The previous prime is 149007743. The next prime is 149007757. The reversal of 149007744 is 447700941.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 149007699 and 149007708.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149007743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 63522 + ... + 65825.

Almost surely, 2149007744 is an apocalyptic number.

It is an amenable number.

149007744 is an abundant number, since it is smaller than the sum of its proper divisors (279780876).

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

149007744 is a wasteful number, since it uses less digits than its factorization.

149007744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129367 (or 129352 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 36.

The square root of 149007744 is about 12206.8728182119. The cubic root of 149007744 is about 530.1551035309.

The spelling of 149007744 in words is "one hundred forty-nine million, seven thousand, seven hundred forty-four".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 32 36 48 64 72 96 128 144 192 288 384 576 1152 129347 258694 388041 517388 776082 1034776 1164123 1552164 2069552 2328246 3104328 4139104 4656492 6208656 8278208 9312984 12417312 16556416 18625968 24834624 37251936 49669248 74503872 149007744