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149401752 = 23310515923
BaseRepresentation
bin10001110011110…
…11000010011000
3101102010101200020
420321323002120
5301221324002
622454110440
73462615423
oct1071730230
9342111606
10149401752
1177373825
124204b420
1324c4c806
1415bb09ba
15d1b22bc
hex8e7b098

149401752 has 32 divisors (see below), whose sum is σ = 373922880. Its totient is φ = 49744800.

The previous prime is 149401751. The next prime is 149401771. The reversal of 149401752 is 257104941.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149401751) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 22263 + ... + 28185.

It is an arithmetic number, because the mean of its divisors is an integer number (11685090).

Almost surely, 2149401752 is an apocalyptic number.

149401752 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

149401752 is an abundant number, since it is smaller than the sum of its proper divisors (224521128).

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

149401752 is a wasteful number, since it uses less digits than its factorization.

149401752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6983 (or 6979 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 33.

The square root of 149401752 is about 12223.0009408492. Note that the first 3 decimals coincide. The cubic root of 149401752 is about 530.6219730238.

The spelling of 149401752 in words is "one hundred forty-nine million, four hundred one thousand, seven hundred fifty-two".

Divisors: 1 2 3 4 6 8 12 24 1051 2102 3153 4204 5923 6306 8408 11846 12612 17769 23692 25224 35538 47384 71076 142152 6225073 12450146 18675219 24900292 37350438 49800584 74700876 149401752