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1814414292 = 223250400397
BaseRepresentation
bin110110000100101…
…1100001111010100
311200110010210111100
41230021130033110
512203442224132
6500013110100
762651160405
oct15411341724
94613123440
101814414292
1185120a349
12427788330
1322bb98c32
14132d899ac
15a945437c
hex6c25c3d4

1814414292 has 18 divisors (see below), whose sum is σ = 4586436218. Its totient is φ = 604804752.

The previous prime is 1814414269. The next prime is 1814414293. The reversal of 1814414292 is 2924144181.

It can be written as a sum of positive squares in only one way, i.e., 1650471876 + 163942416 = 40626^2 + 12804^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×18144142922 = 6584198446027722528, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 50400397 = 1814414292 / (1 + 8 + 1 + 4 + 4 + 1 + 4 + 2 + 9 + 2).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1814414293) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 25200163 + ... + 25200234.

Almost surely, 21814414292 is an apocalyptic number.

1814414292 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1814414292 is an abundant number, since it is smaller than the sum of its proper divisors (2772021926).

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

1814414292 is a wasteful number, since it uses less digits than its factorization.

1814414292 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50400407 (or 50400402 counting only the distinct ones).

The product of its digits is 18432, while the sum is 36.

The square root of 1814414292 is about 42595.9422011064. The cubic root of 1814414292 is about 1219.6788306246.

The spelling of 1814414292 in words is "one billion, eight hundred fourteen million, four hundred fourteen thousand, two hundred ninety-two".

Divisors: 1 2 3 4 6 9 12 18 36 50400397 100800794 151201191 201601588 302402382 453603573 604804764 907207146 1814414292