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552154401 = 346816721
BaseRepresentation
bin100000111010010…
…011010100100001
31102110222100110000
4200322103110201
52112322420101
6130442330213
716453143411
oct4072232441
91373870400
10552154401
11263749857
12134ab9969
138a515ca6
1453490641
153371b486
hex20e93521

552154401 has 10 divisors (see below), whose sum is σ = 824823362. Its totient is φ = 368102880.

The previous prime is 552154387. The next prime is 552154417. The reversal of 552154401 is 104451255.

552154401 is a `hidden beast` number, since 5 + 5 + 215 + 440 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 508277025 + 43877376 = 22545^2 + 6624^2 .

It is not a de Polignac number, because 552154401 - 210 = 552153377 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (552154201) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 3408280 + ... + 3408441.

Almost surely, 2552154401 is an apocalyptic number.

It is an amenable number.

552154401 is a deficient number, since it is larger than the sum of its proper divisors (272668961).

552154401 is an equidigital number, since it uses as much as digits as its factorization.

552154401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6816733 (or 6816724 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 27.

The square root of 552154401 is about 23497.9658906893. The cubic root of 552154401 is about 820.3896626125.

The spelling of 552154401 in words is "five hundred fifty-two million, one hundred fifty-four thousand, four hundred one".

Divisors: 1 3 9 27 81 6816721 20450163 61350489 184051467 552154401