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4272494420 = 225213624721
BaseRepresentation
bin1111111010101001…
…0001011101010100
3102000202110012112002
43332222101131110
532222224310140
61543542214432
7210606413645
oct37652213524
912022405462
104272494420
1118a2791327
129b2a24418
1353120ba0c
142c76076cc
151a014e415
hexfea91754

4272494420 has 12 divisors (see below), whose sum is σ = 8972238324. Its totient is φ = 1708997760.

The previous prime is 4272494419. The next prime is 4272494423. The reversal of 4272494420 is 244942724.

It can be written as a sum of positive squares in 2 ways, for example, as 712462864 + 3560031556 = 26692^2 + 59666^2 .

It is a super-2 number, since 2×42724944202 = 36508417137862272800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4272494423) 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, 106812341 + ... + 106812380.

It is an arithmetic number, because the mean of its divisors is an integer number (747686527).

Almost surely, 24272494420 is an apocalyptic number.

It is an amenable number.

4272494420 is an abundant number, since it is smaller than the sum of its proper divisors (4699743904).

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

4272494420 is a wasteful number, since it uses less digits than its factorization.

4272494420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213624730 (or 213624728 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 38.

The square root of 4272494420 is about 65364.3206956211. The cubic root of 4272494420 is about 1622.6586456333.

The spelling of 4272494420 in words is "four billion, two hundred seventy-two million, four hundred ninety-four thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 213624721 427249442 854498884 1068123605 2136247210 4272494420