Search a number
-
+
148734290 = 2547931051
BaseRepresentation
bin10001101110110…
…00000101010010
3101100212111002102
420313120011102
5301033444130
622431520402
73454135445
oct1067300522
9340774072
10148734290
1176a58301
1241989102
1324a77a73
1415a7965c
15d0ce645
hex8dd8152

148734290 has 16 divisors (see below), whose sum is σ = 268289280. Its totient is φ = 59367600.

The previous prime is 148734283. The next prime is 148734293. The reversal of 148734290 is 92437841.

It is not an unprimeable number, because it can be changed into a prime (148734293) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10736 + ... + 20315.

It is an arithmetic number, because the mean of its divisors is an integer number (16768080).

Almost surely, 2148734290 is an apocalyptic number.

148734290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

148734290 is a deficient number, since it is larger than the sum of its proper divisors (119554990).

148734290 is a wasteful number, since it uses less digits than its factorization.

148734290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31537.

The product of its (nonzero) digits is 48384, while the sum is 38.

The square root of 148734290 is about 12195.6668534361. Note that the first 3 decimals coincide. The cubic root of 148734290 is about 529.8305973374.

The spelling of 148734290 in words is "one hundred forty-eight million, seven hundred thirty-four thousand, two hundred ninety".

Divisors: 1 2 5 10 479 958 2395 4790 31051 62102 155255 310510 14873429 29746858 74367145 148734290