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151242230 = 2533744879
BaseRepresentation
bin10010000001111…
…00010111110110
3101112120220100002
421000330113312
5302204222410
623001351302
73514352306
oct1100742766
9345526302
10151242230
1178410587
1242798532
1325445459
141612d606
15d4277a5
hex903c5f6

151242230 has 16 divisors (see below), whose sum is σ = 273049920. Its totient is φ = 60316032.

The previous prime is 151242229. The next prime is 151242269. The reversal of 151242230 is 32242151.

151242230 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 19070 + ... + 25809.

It is an arithmetic number, because the mean of its divisors is an integer number (17065620).

Almost surely, 2151242230 is an apocalyptic number.

151242230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

151242230 is a deficient number, since it is larger than the sum of its proper divisors (121807690).

151242230 is a wasteful number, since it uses less digits than its factorization.

151242230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45223.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 151242230 is about 12298.0579767702. The cubic root of 151242230 is about 532.7919945583.

Adding to 151242230 its reverse (32242151), we get a palindrome (183484381).

The spelling of 151242230 in words is "one hundred fifty-one million, two hundred forty-two thousand, two hundred thirty".

Divisors: 1 2 5 10 337 674 1685 3370 44879 89758 224395 448790 15124223 30248446 75621115 151242230