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52425030 = 2357318053
BaseRepresentation
bin1100011111111…
…1000101000110
310122122110121210
43013333011012
5101410100110
65111352250
71204414440
oct307770506
9118573553
1052425030
1127657779
1215682686
13ab27138
146d69490
154908520
hex31ff146

52425030 has 64 divisors (see below), whose sum is σ = 148451328. Its totient is φ = 11594880.

The previous prime is 52425029. The next prime is 52425053. The reversal of 52425030 is 3052425.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 52424988 and 52425006.

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, 2484 + ... + 10536.

It is an arithmetic number, because the mean of its divisors is an integer number (2319552).

Almost surely, 252425030 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52425030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74225664).

52425030 is an abundant number, since it is smaller than the sum of its proper divisors (96026298).

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

52425030 is a wasteful number, since it uses less digits than its factorization.

52425030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8101.

The product of its (nonzero) digits is 1200, while the sum is 21.

The square root of 52425030 is about 7240.5131033650. The cubic root of 52425030 is about 374.2652992908.

Adding to 52425030 its reverse (3052425), we get a palindrome (55477455).

The spelling of 52425030 in words is "fifty-two million, four hundred twenty-five thousand, thirty".

Divisors: 1 2 3 5 6 7 10 14 15 21 30 31 35 42 62 70 93 105 155 186 210 217 310 434 465 651 930 1085 1302 2170 3255 6510 8053 16106 24159 40265 48318 56371 80530 112742 120795 169113 241590 249643 281855 338226 499286 563710 748929 845565 1248215 1497858 1691130 1747501 2496430 3495002 3744645 5242503 7489290 8737505 10485006 17475010 26212515 52425030