Search a number
-
+
2050045400 = 235213788479
BaseRepresentation
bin111101000110001…
…0011010111011000
312021212112002121102
41322030103113120
513144302423100
6535231330532
7101542045514
oct17214232730
95255462542
102050045400
119622194a7
12492680a48
1326894a320
141563a5144
15bee9acd5
hex7a3135d8

2050045400 has 48 divisors (see below), whose sum is σ = 5133004800. Its totient is φ = 756938880.

The previous prime is 2050045391. The next prime is 2050045427. The reversal of 2050045400 is 45400502.

It is a happy number.

It is a super-2 number, since 2×20500454002 = 8405372284122320000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 391640 + ... + 396839.

It is an arithmetic number, because the mean of its divisors is an integer number (106937600).

Almost surely, 22050045400 is an apocalyptic number.

2050045400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2050045400 is an abundant number, since it is smaller than the sum of its proper divisors (3082959400).

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

2050045400 is a wasteful number, since it uses less digits than its factorization.

2050045400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 788508 (or 788499 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 20.

The square root of 2050045400 is about 45277.4270470397. The cubic root of 2050045400 is about 1270.3434704541.

Adding to 2050045400 its reverse (45400502), we get a palindrome (2095445902).

The spelling of 2050045400 in words is "two billion, fifty million, forty-five thousand, four hundred".

Divisors: 1 2 4 5 8 10 13 20 25 26 40 50 52 65 100 104 130 200 260 325 520 650 1300 2600 788479 1576958 3153916 3942395 6307832 7884790 10250227 15769580 19711975 20500454 31539160 39423950 41000908 51251135 78847900 82001816 102502270 157695800 205004540 256255675 410009080 512511350 1025022700 2050045400