Search a number
-
+
149168450 = 2528933521
BaseRepresentation
bin10001110010000…
…10000101000010
3101101200112122102
420321002011002
5301141342300
622445110402
73460624304
oct1071020502
9341615572
10149168450
1177224512
1241b58402
1324b9a572
1415b4d974
15d1680d5
hex8e42142

149168450 has 24 divisors (see below), whose sum is σ = 280579140. Its totient is φ = 58995200.

The previous prime is 149168441. The next prime is 149168473. The reversal of 149168450 is 54861941.

It can be written as a sum of positive squares in 6 ways, for example, as 18774889 + 130393561 = 4333^2 + 11419^2 .

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12311 + ... + 21210.

Almost surely, 2149168450 is an apocalyptic number.

149168450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

149168450 is a deficient number, since it is larger than the sum of its proper divisors (131410690).

149168450 is a wasteful number, since it uses less digits than its factorization.

149168450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33622 (or 33617 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 38.

The square root of 149168450 is about 12213.4536475151. The cubic root of 149168450 is about 530.3456271749.

The spelling of 149168450 in words is "one hundred forty-nine million, one hundred sixty-eight thousand, four hundred fifty".

Divisors: 1 2 5 10 25 50 89 178 445 890 2225 4450 33521 67042 167605 335210 838025 1676050 2983369 5966738 14916845 29833690 74584225 149168450