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151530245 = 552158169
BaseRepresentation
bin10010000100000…
…10101100000101
3101120010112102022
421002002230011
5302242431440
623011452525
73516662066
oct1102025405
9346115368
10151530245
1178597a09
12428b7145
1325516589
14161a656d
15d482cb5
hex9082b05

151530245 has 8 divisors (see below), whose sum is σ = 182188440. Its totient is φ = 120989440.

The previous prime is 151530229. The next prime is 151530251. The reversal of 151530245 is 542035151.

It can be written as a sum of positive squares in 4 ways, for example, as 1737124 + 149793121 = 1318^2 + 12239^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 151530245 - 24 = 151530229 is a prime.

It is a super-2 number, since 2×1515302452 = 45922830299520050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26480 + ... + 31689.

It is an arithmetic number, because the mean of its divisors is an integer number (22773555).

Almost surely, 2151530245 is an apocalyptic number.

It is an amenable number.

151530245 is a deficient number, since it is larger than the sum of its proper divisors (30658195).

151530245 is an equidigital number, since it uses as much as digits as its factorization.

151530245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58695.

The product of its (nonzero) digits is 3000, while the sum is 26.

The square root of 151530245 is about 12309.7621829181. The cubic root of 151530245 is about 533.1299838917.

Adding to 151530245 its reverse (542035151), we get a palindrome (693565396).

The spelling of 151530245 in words is "one hundred fifty-one million, five hundred thirty thousand, two hundred forty-five".

Divisors: 1 5 521 2605 58169 290845 30306049 151530245