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51472050 = 23527247149
BaseRepresentation
bin1100010001011…
…0011010110010
310120212001101020
43010112122302
5101134101200
65035120310
71163335200
oct304263262
9116761336
1051472050
1127066793
12152a3096
13a882446
146b9c070
1547baea0
hex31166b2

51472050 has 144 divisors (see below), whose sum is σ = 152668800. Its totient is φ = 11437440.

The previous prime is 51472049. The next prime is 51472051. The reversal of 51472050 is 5027415.

It is an interprime number because it is at equal distance from previous prime (51472049) and next prime (51472051).

It is a self number, because there is not a number n which added to its sum of digits gives 51472050.

It is not an unprimeable number, because it can be changed into a prime (51472051) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 345376 + ... + 345524.

It is an arithmetic number, because the mean of its divisors is an integer number (1060200).

Almost surely, 251472050 is an apocalyptic number.

51472050 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 51472050, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76334400).

51472050 is an abundant number, since it is smaller than the sum of its proper divisors (101196750).

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

51472050 is a wasteful number, since it uses less digits than its factorization.

51472050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225 (or 213 counting only the distinct ones).

The product of its (nonzero) digits is 1400, while the sum is 24.

The square root of 51472050 is about 7174.4024141388. The cubic root of 51472050 is about 371.9836245538.

Adding to 51472050 its reverse (5027415), we get a palindrome (56499465).

The spelling of 51472050 in words is "fifty-one million, four hundred seventy-two thousand, fifty".

Divisors: 1 2 3 5 6 7 10 14 15 21 25 30 35 42 47 49 50 70 75 94 98 105 141 147 149 150 175 210 235 245 282 294 298 329 350 447 470 490 525 658 705 735 745 894 987 1043 1050 1175 1225 1410 1470 1490 1645 1974 2086 2235 2303 2350 2450 3129 3290 3525 3675 3725 4470 4606 4935 5215 6258 6909 7003 7050 7301 7350 7450 8225 9870 10430 11175 11515 13818 14006 14602 15645 16450 21009 21903 22350 23030 24675 26075 31290 34545 35015 36505 42018 43806 49021 49350 52150 57575 69090 70030 73010 78225 98042 105045 109515 115150 147063 156450 172725 175075 182525 210090 219030 245105 294126 343147 345450 350150 365050 490210 525225 547575 686294 735315 1029441 1050450 1095150 1225525 1470630 1715735 2058882 2451050 3431470 3676575 5147205 7353150 8578675 10294410 17157350 25736025 51472050