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2430221025 = 352299711519
BaseRepresentation
bin1001000011011010…
…0011101011100001
320021100220000112010
42100312203223201
514434114033100
61041052023133
7114136352331
oct22066435341
96240800463
102430221025
111037884031
12579a61aa9
132c963a40b
14190a890c1
15e3545750
hex90da3ae1

2430221025 has 48 divisors (see below), whose sum is σ = 4199731200. Its totient is φ = 1238415360.

The previous prime is 2430221023. The next prime is 2430221039. The reversal of 2430221025 is 5201220342.

It is not a de Polignac number, because 2430221025 - 21 = 2430221023 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2430220992 and 2430221010.

It is not an unprimeable number, because it can be changed into a prime (2430221021) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 205216 + ... + 216734.

It is an arithmetic number, because the mean of its divisors is an integer number (87494400).

Almost surely, 22430221025 is an apocalyptic number.

2430221025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2430221025 is a deficient number, since it is larger than the sum of its proper divisors (1769510175).

2430221025 is a wasteful number, since it uses less digits than its factorization.

2430221025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11658 (or 11653 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 2430221025 is about 49297.2719833461. The cubic root of 2430221025 is about 1344.4621841505.

Adding to 2430221025 its reverse (5201220342), we get a palindrome (7631441367).

The spelling of 2430221025 in words is "two billion, four hundred thirty million, two hundred twenty-one thousand, twenty-five".

Divisors: 1 3 5 15 25 29 75 87 97 145 291 435 485 725 1455 2175 2425 2813 7275 8439 11519 14065 34557 42195 57595 70325 172785 210975 287975 334051 863925 1002153 1117343 1670255 3352029 5010765 5586715 8351275 16760145 25053825 27933575 32402947 83800725 97208841 162014735 486044205 810073675 2430221025