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4272418845 = 33531647547
BaseRepresentation
bin1111111010100111…
…1111000000011101
3102000202022100212000
43332221333000131
532222214400340
61543540432513
7210605650422
oct37651770035
912022270760
104272418845
1118a273a572
129b29a8739
135311b34b6
142c75c7d49
151a0136d30
hexfea7f01d

4272418845 has 16 divisors (see below), whose sum is σ = 7595411520. Its totient is φ = 2278623312.

The previous prime is 4272418841. The next prime is 4272418849. The reversal of 4272418845 is 5488142724.

4272418845 is a `hidden beast` number, since 427 + 2 + 4 + 188 + 45 = 666.

It is an interprime number because it is at equal distance from previous prime (4272418841) and next prime (4272418849).

It is not a de Polignac number, because 4272418845 - 22 = 4272418841 is a prime.

It is a super-2 number, since 2×42724188452 = 36507125574222268050, which contains 22 as substring.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 4272418845.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4272418841) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15823639 + ... + 15823908.

It is an arithmetic number, because the mean of its divisors is an integer number (474713220).

Almost surely, 24272418845 is an apocalyptic number.

4272418845 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4272418845 is a deficient number, since it is larger than the sum of its proper divisors (3322992675).

4272418845 is a wasteful number, since it uses less digits than its factorization.

4272418845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31647561 (or 31647555 counting only the distinct ones).

The product of its digits is 573440, while the sum is 45.

The square root of 4272418845 is about 65363.7425871561. The cubic root of 4272418845 is about 1622.6490779867.

The spelling of 4272418845 in words is "four billion, two hundred seventy-two million, four hundred eighteen thousand, eight hundred forty-five".

Divisors: 1 3 5 9 15 27 45 135 31647547 94942641 158237735 284827923 474713205 854483769 1424139615 4272418845