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1030145214 = 23744095563
BaseRepresentation
bin111101011001101…
…100010010111110
32122210101210120110
4331121230102332
54102204121324
6250115330450
734346042550
oct7531542276
92583353513
101030145214
1148954338a
12248bb0a26
131355632a7
149ab574d0
1560688329
hex3d66c4be

1030145214 has 32 divisors (see below), whose sum is σ = 2355575040. Its totient is φ = 294207552.

The previous prime is 1030145161. The next prime is 1030145239. The reversal of 1030145214 is 4125410301.

It is a super-2 number, since 2×10301452142 = 2122398323854211592, which contains 22 as substring.

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

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 182397 + ... + 187959.

It is an arithmetic number, because the mean of its divisors is an integer number (73611720).

Almost surely, 21030145214 is an apocalyptic number.

1030145214 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1030145214 is an abundant number, since it is smaller than the sum of its proper divisors (1325429826).

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

1030145214 is a wasteful number, since it uses less digits than its factorization.

1030145214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9984.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 1030145214 is about 32095.8753424798. The cubic root of 1030145214 is about 1009.9490919673.

Adding to 1030145214 its reverse (4125410301), we get a palindrome (5155555515).

The spelling of 1030145214 in words is "one billion, thirty million, one hundred forty-five thousand, two hundred fourteen".

Divisors: 1 2 3 6 7 14 21 42 4409 5563 8818 11126 13227 16689 26454 30863 33378 38941 61726 77882 92589 116823 185178 233646 24527267 49054534 73581801 147163602 171690869 343381738 515072607 1030145214