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2500313420 = 2251117668533
BaseRepresentation
bin1001010100000111…
…1100000101001100
320110020210002012202
42111001330011030
520110040012140
61052034221032
7115650212333
oct22501740514
96406702182
102500313420
1110733a8530
12599424778
1330b00bcc7
1419a0d2d1a
15e978d915
hex9507c14c

2500313420 has 48 divisors (see below), whose sum is σ = 6064940448. Its totient is φ = 855720960.

The previous prime is 2500313377. The next prime is 2500313429. The reversal of 2500313420 is 243130052.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 2500313392 and 2500313401.

It is not an unprimeable number, because it can be changed into a prime (2500313429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 330527 + ... + 338006.

It is an arithmetic number, because the mean of its divisors is an integer number (126352926).

Almost surely, 22500313420 is an apocalyptic number.

2500313420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2500313420 is an abundant number, since it is smaller than the sum of its proper divisors (3564627028).

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

2500313420 is a wasteful number, since it uses less digits than its factorization.

2500313420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 668570 (or 668568 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 2500313420 is about 50003.1341017741. The cubic root of 2500313420 is about 1357.2655227788.

Adding to 2500313420 its reverse (243130052), we get a palindrome (2743443472).

The spelling of 2500313420 in words is "two billion, five hundred million, three hundred thirteen thousand, four hundred twenty".

Divisors: 1 2 4 5 10 11 17 20 22 34 44 55 68 85 110 170 187 220 340 374 748 935 1870 3740 668533 1337066 2674132 3342665 6685330 7353863 11365061 13370660 14707726 22730122 29415452 36769315 45460244 56825305 73538630 113650610 125015671 147077260 227301220 250031342 500062684 625078355 1250156710 2500313420