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51141900 = 22352170473
BaseRepresentation
bin1100001100010…
…1110100001100
310120020021111110
43003011310030
5101043020100
65024052020
71160461515
oct303056414
9116207443
1051141900
1126960737
1215164010
13a7980a4
146b13a0c
154753250
hex30c5d0c

51141900 has 36 divisors (see below), whose sum is σ = 147971432. Its totient is φ = 13637760.

The previous prime is 51141889. The next prime is 51141907. The reversal of 51141900 is 914115.

It is a super-2 number, since 2×511419002 = 5230987871220000, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (51141907) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 84937 + ... + 85536.

Almost surely, 251141900 is an apocalyptic number.

51141900 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

51141900 is an abundant number, since it is smaller than the sum of its proper divisors (96829532).

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

51141900 is a wasteful number, since it uses less digits than its factorization.

51141900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170490 (or 170483 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 21.

The square root of 51141900 is about 7151.3565146761. The cubic root of 51141900 is about 371.1865971150.

The spelling of 51141900 in words is "fifty-one million, one hundred forty-one thousand, nine hundred".

Divisors: 1 2 3 4 5 6 10 12 15 20 25 30 50 60 75 100 150 300 170473 340946 511419 681892 852365 1022838 1704730 2045676 2557095 3409460 4261825 5114190 8523650 10228380 12785475 17047300 25570950 51141900