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305152135 = 5374140231
BaseRepresentation
bin10010001100000…
…100000010000111
3210021012100000221
4102030010002013
51111104332020
650140245211
710363515241
oct2214040207
9707170027
10305152135
11147283352
1286240807
134b2b2bc2
142c755091
151bbca6aa
hex12304087

305152135 has 16 divisors (see below), whose sum is σ = 385261632. Its totient is φ = 231724800.

The previous prime is 305152079. The next prime is 305152157. The reversal of 305152135 is 531251503.

It is not a de Polignac number, because 305152135 - 217 = 305021063 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12531 + ... + 27700.

It is an arithmetic number, because the mean of its divisors is an integer number (24078852).

Almost surely, 2305152135 is an apocalyptic number.

305152135 is a deficient number, since it is larger than the sum of its proper divisors (80109497).

305152135 is a wasteful number, since it uses less digits than its factorization.

305152135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40314.

The product of its (nonzero) digits is 2250, while the sum is 25.

The square root of 305152135 is about 17468.6042659395. The cubic root of 305152135 is about 673.2434511976.

The spelling of 305152135 in words is "three hundred five million, one hundred fifty-two thousand, one hundred thirty-five".

Divisors: 1 5 37 41 185 205 1517 7585 40231 201155 1488547 1649471 7442735 8247355 61030427 305152135