Search a number
-
+
151662285 = 3253370273
BaseRepresentation
bin10010000101000…
…10111011001101
3101120101020112200
421002202323031
5302311143120
623014352113
73521052045
oct1102427315
9346336480
10151662285
1178678135
124295b639
13255616c8
14161dc725
15d4abe90
hex90a2ecd

151662285 has 12 divisors (see below), whose sum is σ = 262881372. Its totient is φ = 80886528.

The previous prime is 151662283. The next prime is 151662293. The reversal of 151662285 is 582266151.

151662285 is a `hidden beast` number, since 1 + 516 + 62 + 2 + 85 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 34892649 + 116769636 = 5907^2 + 10806^2 .

It is not a de Polignac number, because 151662285 - 21 = 151662283 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (151662281) 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 11 ways as a sum of consecutive naturals, for example, 1685092 + ... + 1685181.

It is an arithmetic number, because the mean of its divisors is an integer number (21906781).

Almost surely, 2151662285 is an apocalyptic number.

151662285 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

151662285 is a deficient number, since it is larger than the sum of its proper divisors (111219087).

151662285 is a wasteful number, since it uses less digits than its factorization.

151662285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3370284 (or 3370281 counting only the distinct ones).

The product of its digits is 28800, while the sum is 36.

The square root of 151662285 is about 12315.1242381066. The cubic root of 151662285 is about 533.2847913720.

The spelling of 151662285 in words is "one hundred fifty-one million, six hundred sixty-two thousand, two hundred eighty-five".

Divisors: 1 3 5 9 15 45 3370273 10110819 16851365 30332457 50554095 151662285