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552871978 = 22711020059
BaseRepresentation
bin100000111101000…
…010100000101010
31102112022210202221
4200331002200222
52113013400403
6130505544254
716462222441
oct4075024052
91375283687
10552871978
1126409999a
121351a508a
138a7077a9
14535d9d58
153380ddbd
hex20f4282a

552871978 has 8 divisors (see below), whose sum is σ = 832368960. Its totient is φ = 275415660.

The previous prime is 552871961. The next prime is 552871987. The reversal of 552871978 is 879178255.

It is a happy number.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 509488 + ... + 510571.

It is an arithmetic number, because the mean of its divisors is an integer number (104046120).

Almost surely, 2552871978 is an apocalyptic number.

552871978 is a deficient number, since it is larger than the sum of its proper divisors (279496982).

552871978 is a wasteful number, since it uses less digits than its factorization.

552871978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1020332.

The product of its digits is 1411200, while the sum is 52.

The square root of 552871978 is about 23513.2298504480. The cubic root of 552871978 is about 820.7449001542.

The spelling of 552871978 in words is "five hundred fifty-two million, eight hundred seventy-one thousand, nine hundred seventy-eight".

Divisors: 1 2 271 542 1020059 2040118 276435989 552871978