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151000305 = 35431931213
BaseRepresentation
bin10010000000000…
…01010011110001
3101112010121110220
421000001103301
5302124002210
622552243253
73512324061
oct1100012361
9345117426
10151000305
1178265845
12426a0529
132538c2c1
14160a93a1
15d3cac70
hex90014f1

151000305 has 32 divisors (see below), whose sum is σ = 248704896. Its totient is φ = 78188544.

The previous prime is 151000271. The next prime is 151000309. The reversal of 151000305 is 503000151.

It is not a de Polignac number, because 151000305 - 27 = 151000177 is a prime.

It is a super-2 number, since 2×1510003052 = 45602184220186050, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is not an unprimeable number, because it can be changed into a prime (151000309) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 123879 + ... + 125091.

It is an arithmetic number, because the mean of its divisors is an integer number (7772028).

Almost surely, 2151000305 is an apocalyptic number.

151000305 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

151000305 is a deficient number, since it is larger than the sum of its proper divisors (97704591).

151000305 is a wasteful number, since it uses less digits than its factorization.

151000305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1457.

The product of its (nonzero) digits is 75, while the sum is 15.

The square root of 151000305 is about 12288.2181377122. The cubic root of 151000305 is about 532.5077606927.

Adding to 151000305 its reverse (503000151), we get a palindrome (654000456).

The spelling of 151000305 in words is "one hundred fifty-one million, three hundred five", and thus it is an aban number.

Divisors: 1 3 5 15 43 129 193 215 579 645 965 1213 2895 3639 6065 8299 18195 24897 41495 52159 124485 156477 234109 260795 702327 782385 1170545 3511635 10066687 30200061 50333435 151000305