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652242630 = 235132636359
BaseRepresentation
bin100110111000000…
…110111011000110
31200110022100200110
4212320012323012
52313433231010
6144415453450
722106654004
oct4670067306
91613270613
10652242630
113051a05a6
12162527286
13a518a9b0
14628a5a74
153c3dc120
hex26e06ec6

652242630 has 64 divisors (see below), whose sum is σ = 1692472320. Its totient is φ = 159916416.

The previous prime is 652242607. The next prime is 652242649. The reversal of 652242630 is 36242256.

652242630 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 99391 + ... + 105749.

It is an arithmetic number, because the mean of its divisors is an integer number (26444880).

Almost surely, 2652242630 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 652242630, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (846236160).

652242630 is an abundant number, since it is smaller than the sum of its proper divisors (1040229690).

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

652242630 is a wasteful number, since it uses less digits than its factorization.

652242630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6645.

The product of its (nonzero) digits is 17280, while the sum is 30.

The square root of 652242630 is about 25539.0412897587. The cubic root of 652242630 is about 867.2341945184.

Adding to 652242630 its reverse (36242256), we get a palindrome (688484886).

The spelling of 652242630 in words is "six hundred fifty-two million, two hundred forty-two thousand, six hundred thirty".

Divisors: 1 2 3 5 6 10 13 15 26 30 39 65 78 130 195 263 390 526 789 1315 1578 2630 3419 3945 6359 6838 7890 10257 12718 17095 19077 20514 31795 34190 38154 51285 63590 82667 95385 102570 165334 190770 248001 413335 496002 826670 1240005 1672417 2480010 3344834 5017251 8362085 10034502 16724170 21741421 25086255 43482842 50172510 65224263 108707105 130448526 217414210 326121315 652242630