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154052230 = 25432391499
BaseRepresentation
bin10010010111010…
…10011010000110
3101201212122221011
421023222122012
5303414132410
623141512434
73550264603
oct1113523206
9351778834
10154052230
1179a5a7a2
124371271a
1325bba487
14166616aa
15d7d018a
hex92ea686

154052230 has 32 divisors (see below), whose sum is σ = 285120000. Its totient is φ = 59896032.

The previous prime is 154052203. The next prime is 154052243. The reversal of 154052230 is 32250451.

It is a congruent number.

It is an unprimeable number.

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, 102021 + ... + 103519.

It is an arithmetic number, because the mean of its divisors is an integer number (8910000).

Almost surely, 2154052230 is an apocalyptic number.

154052230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

154052230 is a deficient number, since it is larger than the sum of its proper divisors (131067770).

154052230 is a wasteful number, since it uses less digits than its factorization.

154052230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1788.

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 154052230 is about 12411.7778742612. Note that the first 3 decimals coincide. The cubic root of 154052230 is about 536.0714313170.

The spelling of 154052230 in words is "one hundred fifty-four million, fifty-two thousand, two hundred thirty".

Divisors: 1 2 5 10 43 86 215 239 430 478 1195 1499 2390 2998 7495 10277 14990 20554 51385 64457 102770 128914 322285 358261 644570 716522 1791305 3582610 15405223 30810446 77026115 154052230