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552225560 = 23547833539
BaseRepresentation
bin100000111010100…
…100101100011000
31102111002222001112
4200322210230120
52112332204220
6130444035452
716453561025
oct4072445430
91374088045
10552225560
11263798267
12134b32b88
138a53c4b3
14534ac54c
15337325c5
hex20ea4b18

552225560 has 64 divisors (see below), whose sum is σ = 1284595200. Its totient is φ = 213525376.

The previous prime is 552225529. The next prime is 552225589. The reversal of 552225560 is 65522255.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 154271 + ... + 157809.

It is an arithmetic number, because the mean of its divisors is an integer number (20071800).

Almost surely, 2552225560 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 552225560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (642297600).

552225560 is an abundant number, since it is smaller than the sum of its proper divisors (732369640).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

552225560 is a wasteful number, since it uses less digits than its factorization.

552225560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3680 (or 3676 counting only the distinct ones).

The product of its (nonzero) digits is 30000, while the sum is 32.

The square root of 552225560 is about 23499.4799942467. The cubic root of 552225560 is about 820.4249037215.

The spelling of 552225560 in words is "five hundred fifty-two million, two hundred twenty-five thousand, five hundred sixty".

Divisors: 1 2 4 5 8 10 20 40 47 83 94 166 188 235 332 376 415 470 664 830 940 1660 1880 3320 3539 3901 7078 7802 14156 15604 17695 19505 28312 31208 35390 39010 70780 78020 141560 156040 166333 293737 332666 587474 665332 831665 1174948 1330664 1468685 1663330 2349896 2937370 3326660 5874740 6653320 11749480 13805639 27611278 55222556 69028195 110445112 138056390 276112780 552225560