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552012505 = 511315692
BaseRepresentation
bin100000111001110…
…000101011011001
31102110201010210121
4200321300223121
52112303400010
6130435313241
716452012622
oct4071605331
91373633717
10552012505
11263662190
12134a4b821
138a496525
1453454a49
15336de3da
hex20e70ad9

552012505 has 24 divisors (see below), whose sum is σ = 747258624. Its totient is φ = 387830400.

The previous prime is 552012493. The next prime is 552012521. The reversal of 552012505 is 505210255.

It is a happy number.

It is not a de Polignac number, because 552012505 - 25 = 552012473 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 552012505.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 969861 + ... + 970429.

It is an arithmetic number, because the mean of its divisors is an integer number (31135776).

Almost surely, 2552012505 is an apocalyptic number.

552012505 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

552012505 is a deficient number, since it is larger than the sum of its proper divisors (195246119).

552012505 is an equidigital number, since it uses as much as digits as its factorization.

552012505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1185 (or 616 counting only the distinct ones).

The product of its (nonzero) digits is 2500, while the sum is 25.

The square root of 552012505 is about 23494.9463715072. The cubic root of 552012505 is about 820.3193803480.

The spelling of 552012505 in words is "five hundred fifty-two million, twelve thousand, five hundred five".

Divisors: 1 5 11 31 55 155 341 569 1705 2845 6259 17639 31295 88195 194029 323761 970145 1618805 3561371 10036591 17806855 50182955 110402501 552012505