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2520220413 = 33181264091
BaseRepresentation
bin1001011000110111…
…1000001011111101
320111122020110110210
42112031320023331
520130134023123
61054025023033
7116311343244
oct22615701375
96448213423
102520220413
111083664997
125a4024a79
1331218bca9
1419c9d595b
15eb3c1e93
hex963782fd

2520220413 has 8 divisors (see below), whose sum is σ = 3361362976. Its totient is φ = 1679612400.

The previous prime is 2520220399. The next prime is 2520220427. The reversal of 2520220413 is 3140220252.

It is an interprime number because it is at equal distance from previous prime (2520220399) and next prime (2520220427).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2520220413 - 29 = 2520219901 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2520220413.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2520220433) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 122503 + ... + 141588.

It is an arithmetic number, because the mean of its divisors is an integer number (420170372).

Almost surely, 22520220413 is an apocalyptic number.

It is an amenable number.

2520220413 is a deficient number, since it is larger than the sum of its proper divisors (841142563).

2520220413 is a wasteful number, since it uses less digits than its factorization.

2520220413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 267275.

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

The square root of 2520220413 is about 50201.7969100709. The cubic root of 2520220413 is about 1360.8580969111.

Adding to 2520220413 its reverse (3140220252), we get a palindrome (5660440665).

The spelling of 2520220413 in words is "two billion, five hundred twenty million, two hundred twenty thousand, four hundred thirteen".

Divisors: 1 3 3181 9543 264091 792273 840073471 2520220413