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51376950 = 23352192003
BaseRepresentation
bin1100001111111…
…1001100110110
310120200012221000
43003333030312
5101123030300
65033104130
71162461012
oct303771466
9116605830
1051376950
1127001299
1215258046
13a84b081
146b75542
15479cc00
hex30ff336

51376950 has 96 divisors (see below), whose sum is σ = 149097600. Its totient is φ = 12972960.

The previous prime is 51376943. The next prime is 51376957. The reversal of 51376950 is 5967315.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (51376943) and next prime (51376957).

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51376957) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 24649 + ... + 26651.

It is an arithmetic number, because the mean of its divisors is an integer number (1553100).

Almost surely, 251376950 is an apocalyptic number.

51376950 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 51376950, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74548800).

51376950 is an abundant number, since it is smaller than the sum of its proper divisors (97720650).

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

51376950 is a wasteful number, since it uses less digits than its factorization.

51376950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2043 (or 2032 counting only the distinct ones).

The product of its (nonzero) digits is 28350, while the sum is 36.

The square root of 51376950 is about 7167.7716202457. The cubic root of 51376950 is about 371.7543904237.

It can be divided in two parts, 51376 and 950, that added together give a triangular number (52326 = T323).

The spelling of 51376950 in words is "fifty-one million, three hundred seventy-six thousand, nine hundred fifty".

Divisors: 1 2 3 5 6 9 10 15 18 19 25 27 30 38 45 50 54 57 75 90 95 114 135 150 171 190 225 270 285 342 450 475 513 570 675 855 950 1026 1350 1425 1710 2003 2565 2850 4006 4275 5130 6009 8550 10015 12018 12825 18027 20030 25650 30045 36054 38057 50075 54081 60090 76114 90135 100150 108162 114171 150225 180270 190285 228342 270405 300450 342513 380570 450675 540810 570855 685026 901350 951425 1027539 1141710 1352025 1712565 1902850 2055078 2704050 2854275 3425130 5137695 5708550 8562825 10275390 17125650 25688475 51376950