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2541431900 = 2252710733931
BaseRepresentation
bin1001011101111011…
…0010110001011100
320120010011010011102
42113132302301130
520201101310100
61100103412232
7116656546310
oct22736626134
96503133142
102541431900
111094632447
125ab154078
133166a7977
141a1757b40
15ed1b1cd5
hex977b2c5c

2541431900 has 72 divisors (see below), whose sum is σ = 6361842816. Its totient is φ = 863179200.

The previous prime is 2541431899. The next prime is 2541431909. The reversal of 2541431900 is 91341452.

It is a super-2 number, since 2×25414319002 = 12917752204675220000, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2541431909) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 57935 + ... + 91865.

It is an arithmetic number, because the mean of its divisors is an integer number (88358928).

Almost surely, 22541431900 is an apocalyptic number.

2541431900 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2541431900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3180921408).

2541431900 is an abundant number, since it is smaller than the sum of its proper divisors (3820410916).

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

2541431900 is a wasteful number, since it uses less digits than its factorization.

2541431900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34059 (or 34052 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 2541431900 is about 50412.6164764338. The cubic root of 2541431900 is about 1364.6653323113.

The spelling of 2541431900 in words is "two billion, five hundred forty-one million, four hundred thirty-one thousand, nine hundred".

Divisors: 1 2 4 5 7 10 14 20 25 28 35 50 70 100 107 140 175 214 350 428 535 700 749 1070 1498 2140 2675 2996 3745 5350 7490 10700 14980 18725 33931 37450 67862 74900 135724 169655 237517 339310 475034 678620 848275 950068 1187585 1696550 2375170 3393100 3630617 4750340 5937925 7261234 11875850 14522468 18153085 23751700 25414319 36306170 50828638 72612340 90765425 101657276 127071595 181530850 254143190 363061700 508286380 635357975 1270715950 2541431900