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149090424 = 23371814903
BaseRepresentation
bin10001110001011…
…11000001111000
3101101112120121120
420320233001320
5301131343144
622443305240
73460150650
oct1070570170
9341476546
10149090424
117718092a
1241b1b220
1324b70bb2
1415b2d360
15d14ee19
hex8e2f078

149090424 has 64 divisors (see below), whose sum is σ = 428413440. Its totient is φ = 42353280.

The previous prime is 149090411. The next prime is 149090429. The reversal of 149090424 is 424090941.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149090429) 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 15 ways as a sum of consecutive naturals, for example, 27957 + ... + 32859.

It is an arithmetic number, because the mean of its divisors is an integer number (6693960).

Almost surely, 2149090424 is an apocalyptic number.

149090424 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 149090424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (214206720).

149090424 is an abundant number, since it is smaller than the sum of its proper divisors (279323016).

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

149090424 is a wasteful number, since it uses less digits than its factorization.

149090424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5100 (or 5096 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 33.

The square root of 149090424 is about 12210.2589653127. The cubic root of 149090424 is about 530.2531412078.

The spelling of 149090424 in words is "one hundred forty-nine million, ninety thousand, four hundred twenty-four".

Divisors: 1 2 3 4 6 7 8 12 14 21 24 28 42 56 84 168 181 362 543 724 1086 1267 1448 2172 2534 3801 4344 4903 5068 7602 9806 10136 14709 15204 19612 29418 30408 34321 39224 58836 68642 102963 117672 137284 205926 274568 411852 823704 887443 1774886 2662329 3549772 5324658 6212101 7099544 10649316 12424202 18636303 21298632 24848404 37272606 49696808 74545212 149090424