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25500150 = 23352131453
BaseRepresentation
bin110000101000…
…1100111110110
31202222112122000
41201101213312
523012001100
62310320130
7426514314
oct141214766
952875560
1025500150
1113437705
128659046
13538aa60
14355b0b4
15238a900
hex18519f6

25500150 has 96 divisors (see below), whose sum is σ = 75724320. Its totient is φ = 6272640.

The previous prime is 25500149. The next prime is 25500151. The reversal of 25500150 is 5100552.

It is an interprime number because it is at equal distance from previous prime (25500149) and next prime (25500151).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25500151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 16824 + ... + 18276.

It is an arithmetic number, because the mean of its divisors is an integer number (788795).

Almost surely, 225500150 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25500150, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37862160).

25500150 is an abundant number, since it is smaller than the sum of its proper divisors (50224170).

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

25500150 is a wasteful number, since it uses less digits than its factorization.

25500150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1487 (or 1476 counting only the distinct ones).

The product of its (nonzero) digits is 250, while the sum is 18.

The square root of 25500150 is about 5049.7673213723. The cubic root of 25500150 is about 294.3388429769.

The spelling of 25500150 in words is "twenty-five million, five hundred thousand, one hundred fifty".

Divisors: 1 2 3 5 6 9 10 13 15 18 25 26 27 30 39 45 50 54 65 75 78 90 117 130 135 150 195 225 234 270 325 351 390 450 585 650 675 702 975 1170 1350 1453 1755 1950 2906 2925 3510 4359 5850 7265 8718 8775 13077 14530 17550 18889 21795 26154 36325 37778 39231 43590 56667 65385 72650 78462 94445 108975 113334 130770 170001 188890 196155 217950 283335 326925 340002 392310 472225 510003 566670 653850 850005 944450 980775 1020006 1416675 1700010 1961550 2550015 2833350 4250025 5100030 8500050 12750075 25500150