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2107400 = 235241257
BaseRepresentation
bin1000000010100000001000
310222001210212
420002200020
51014414100
6113100252
723625011
oct10024010
93861725
102107400
11120a359
12857688
1358a2a9
143cc008
152b9635
hex202808

2107400 has 48 divisors (see below), whose sum is σ = 5038740. Its totient is φ = 819200.

The previous prime is 2107393. The next prime is 2107403. The reversal of 2107400 is 47012.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 857476 + 1249924 = 926^2 + 1118^2 .

It is a super-2 number, since 2×21074002 = 8882269520000, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2107403) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8072 + ... + 8328.

22107400 is an apocalyptic number.

2107400 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 2107400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2519370).

2107400 is an abundant number, since it is smaller than the sum of its proper divisors (2931340).

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

2107400 is a wasteful number, since it uses less digits than its factorization.

2107400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 314 (or 305 counting only the distinct ones).

The product of its (nonzero) digits is 56, while the sum is 14.

The square root of 2107400 is about 1451.6886718577. The cubic root of 2107400 is about 128.2081573985.

The spelling of 2107400 in words is "two million, one hundred seven thousand, four hundred".

Divisors: 1 2 4 5 8 10 20 25 40 41 50 82 100 164 200 205 257 328 410 514 820 1025 1028 1285 1640 2050 2056 2570 4100 5140 6425 8200 10280 10537 12850 21074 25700 42148 51400 52685 84296 105370 210740 263425 421480 526850 1053700 2107400