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202214440 = 2355055361
BaseRepresentation
bin11000000110110…
…00110000101000
3112002111120001201
430003120300220
5403231330230
632022053544
75003536321
oct1403306050
9462446051
10202214440
11a416577a
125787a2b4
1332b8121c
141cbdb448
1512b455ca
hexc0d8c28

202214440 has 16 divisors (see below), whose sum is σ = 454982580. Its totient is φ = 80885760.

The previous prime is 202214437. The next prime is 202214443. The reversal of 202214440 is 44412202.

It is an interprime number because it is at equal distance from previous prime (202214437) and next prime (202214443).

It can be written as a sum of positive squares in 2 ways, for example, as 196616484 + 5597956 = 14022^2 + 2366^2 .

It is not an unprimeable number, because it can be changed into a prime (202214443) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2527641 + ... + 2527720.

Almost surely, 2202214440 is an apocalyptic number.

202214440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202214440 is an abundant number, since it is smaller than the sum of its proper divisors (252768140).

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

202214440 is a wasteful number, since it uses less digits than its factorization.

202214440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5055372 (or 5055368 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 19.

The square root of 202214440 is about 14220.2123753480. The cubic root of 202214440 is about 586.9539843217.

Adding to 202214440 its reverse (44412202), we get a palindrome (246626642).

It can be divided in two parts, 20 and 2214440, that added together give a triangular number (2214460 = T2104).

The spelling of 202214440 in words is "two hundred two million, two hundred fourteen thousand, four hundred forty".

Divisors: 1 2 4 5 8 10 20 40 5055361 10110722 20221444 25276805 40442888 50553610 101107220 202214440