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305147010 = 23572416183
BaseRepresentation
bin10010001100000…
…010110010000010
3210021012002000010
4102030002302002
51111104201020
650140205350
710363464300
oct2214026202
9707162003
10305147010
1114727a513
1286239856
134b2b077c
142c753270
151bbc8de0
hex12302c82

305147010 has 192 divisors, whose sum is σ = 897692544. Its totient is φ = 66124800.

The previous prime is 305146999. The next prime is 305147021. The reversal of 305147010 is 10741503.

It is an interprime number because it is at equal distance from previous prime (305146999) and next prime (305147021).

It is a super-2 number, since 2×3051470102 = 186229395423880200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 3676429 + ... + 3676511.

It is an arithmetic number, because the mean of its divisors is an integer number (4675482).

Almost surely, 2305147010 is an apocalyptic number.

305147010 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 305147010, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (448846272).

305147010 is an abundant number, since it is smaller than the sum of its proper divisors (592545534).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

305147010 is a wasteful number, since it uses less digits than its factorization.

305147010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209 (or 202 counting only the distinct ones).

The product of its (nonzero) digits is 420, while the sum is 21.

The square root of 305147010 is about 17468.4575735810. The cubic root of 305147010 is about 673.2396821574.

Adding to 305147010 its reverse (10741503), we get a palindrome (315888513).

The spelling of 305147010 in words is "three hundred five million, one hundred forty-seven thousand, ten".