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2520452642 = 210356921503
BaseRepresentation
bin1001011000111011…
…0000111000100010
320111122200021000212
42112032300320202
520130213441032
61054034014122
7116313331301
oct22616607042
96448607025
102520452642
111083803414
125a4117342
133122408c6
1419ca56438
15eb41abb2
hex963b0e22

2520452642 has 16 divisors (see below), whose sum is σ = 3824271360. Its totient is φ = 1245739872.

The previous prime is 2520452629. The next prime is 2520452651. The reversal of 2520452642 is 2462540252.

It is a junction number, because it is equal to n+sod(n) for n = 2520452599 and 2520452608.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 106463 + ... + 127965.

It is an arithmetic number, because the mean of its divisors is an integer number (239016960).

Almost surely, 22520452642 is an apocalyptic number.

2520452642 is a deficient number, since it is larger than the sum of its proper divisors (1303818718).

2520452642 is a wasteful number, since it uses less digits than its factorization.

2520452642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22177.

The product of its (nonzero) digits is 38400, while the sum is 32.

The square root of 2520452642 is about 50204.1098118471. The cubic root of 2520452642 is about 1360.8998949759.

Adding to 2520452642 its reverse (2462540252), we get a palindrome (4982992894).

The spelling of 2520452642 in words is "two billion, five hundred twenty million, four hundred fifty-two thousand, six hundred forty-two".

Divisors: 1 2 103 206 569 1138 21503 43006 58607 117214 2214809 4429618 12235207 24470414 1260226321 2520452642