Search a number
-
+
52930290 = 2357236007
BaseRepresentation
bin1100100111101…
…0011011110010
310200121010201010
43021322123302
5102022232130
65130251350
71211620500
oct311723362
9120533633
1052930290
1127972346
1215886b56
13ac730ca
14705b670
1549a80b0
hex327a6f2

52930290 has 48 divisors (see below), whose sum is σ = 147776832. Its totient is φ = 12098016.

The previous prime is 52930289. The next prime is 52930321. The reversal of 52930290 is 9203925.

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 16534 + ... + 19473.

It is an arithmetic number, because the mean of its divisors is an integer number (3078684).

Almost surely, 252930290 is an apocalyptic number.

52930290 is an abundant number, since it is smaller than the sum of its proper divisors (94846542).

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

52930290 is a wasteful number, since it uses less digits than its factorization.

52930290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36031 (or 36024 counting only the distinct ones).

The product of its (nonzero) digits is 4860, while the sum is 30.

The square root of 52930290 is about 7275.3206114920. The cubic root of 52930290 is about 375.4638172042.

The spelling of 52930290 in words is "fifty-two million, nine hundred thirty thousand, two hundred ninety".

Divisors: 1 2 3 5 6 7 10 14 15 21 30 35 42 49 70 98 105 147 210 245 294 490 735 1470 36007 72014 108021 180035 216042 252049 360070 504098 540105 756147 1080210 1260245 1512294 1764343 2520490 3528686 3780735 5293029 7561470 8821715 10586058 17643430 26465145 52930290