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4572428 = 227732237
BaseRepresentation
bin10001011100010100001100
322121022012012
4101130110030
52132304203
6242000352
753602460
oct21342414
98538165
104572428
112643373
1216460b8
13c412a3
148704a0
15604bd8
hex45c50c

4572428 has 24 divisors (see below), whose sum is σ = 9274272. Its totient is φ = 1931904.

The previous prime is 4572427. The next prime is 4572433. The reversal of 4572428 is 8242754.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 4572394 and 4572403.

It is not an unprimeable number, because it can be changed into a prime (4572427) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 926 + ... + 3162.

It is an arithmetic number, because the mean of its divisors is an integer number (386428).

Almost surely, 24572428 is an apocalyptic number.

It is an amenable number.

4572428 is an abundant number, since it is smaller than the sum of its proper divisors (4701844).

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

4572428 is a wasteful number, since it uses less digits than its factorization.

4572428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2321 (or 2319 counting only the distinct ones).

The product of its digits is 17920, while the sum is 32.

The square root of 4572428 is about 2138.3236424826. The cubic root of 4572428 is about 165.9774005137.

The spelling of 4572428 in words is "four million, five hundred seventy-two thousand, four hundred twenty-eight".

Divisors: 1 2 4 7 14 28 73 146 292 511 1022 2044 2237 4474 8948 15659 31318 62636 163301 326602 653204 1143107 2286214 4572428