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3100245930 = 2325151228127
BaseRepresentation
bin1011100011001001…
…1111111110101010
322000001122210220100
42320302133332222
522322130332210
61231345010230
7136553440605
oct27062377652
98001583810
103100245930
11135100a721
12726323976
133a53b2c62
14215a5d33c
151322965c0
hexb8c9ffaa

3100245930 has 48 divisors (see below), whose sum is σ = 8114056704. Its totient is φ = 821253600.

The previous prime is 3100245887. The next prime is 3100245937. The reversal of 3100245930 is 395420013.

It is a super-2 number, since 2×31002459302 = 19223049652963129800, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 3100245894 and 3100245903.

It is not an unprimeable number, because it can be changed into a prime (3100245937) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 100474 + ... + 127653.

It is an arithmetic number, because the mean of its divisors is an integer number (169042848).

Almost surely, 23100245930 is an apocalyptic number.

3100245930 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

3100245930 is an abundant number, since it is smaller than the sum of its proper divisors (5013810774).

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

3100245930 is a wasteful number, since it uses less digits than its factorization.

3100245930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228291 (or 228288 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 27.

The square root of 3100245930 is about 55679.8521010967. The cubic root of 3100245930 is about 1458.1382929220.

Adding to 3100245930 its reverse (395420013), we get a palindrome (3495665943).

The spelling of 3100245930 in words is "three billion, one hundred million, two hundred forty-five thousand, nine hundred thirty".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 151 302 453 755 906 1359 1510 2265 2718 4530 6795 13590 228127 456254 684381 1140635 1368762 2053143 2281270 3421905 4106286 6843810 10265715 20531430 34447177 68894354 103341531 172235885 206683062 310024593 344471770 516707655 620049186 1033415310 1550122965 3100245930