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53208398 = 2191917331
BaseRepresentation
bin1100101011111…
…0010101001110
310201010021012102
43022332111032
5102110132043
65140235102
71214156345
oct312762516
9121107172
1053208398
1128042291
121599ba92
13b03c879
1470d0b5c
154a106b8
hex32be54e

53208398 has 16 divisors (see below), whose sum is σ = 84464640. Its totient is φ = 25068600.

The previous prime is 53208373. The next prime is 53208433. The reversal of 53208398 is 89380235.

It is a super-2 number, since 2×532083982 = 5662267235452808, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3593 + ... + 10923.

It is an arithmetic number, because the mean of its divisors is an integer number (5279040).

Almost surely, 253208398 is an apocalyptic number.

53208398 is a deficient number, since it is larger than the sum of its proper divisors (31256242).

53208398 is a wasteful number, since it uses less digits than its factorization.

53208398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7543.

The product of its (nonzero) digits is 51840, while the sum is 38.

The square root of 53208398 is about 7294.4086806266. The cubic root of 53208398 is about 376.1202601209.

The spelling of 53208398 in words is "fifty-three million, two hundred eight thousand, three hundred ninety-eight".

Divisors: 1 2 19 38 191 382 3629 7258 7331 14662 139289 278578 1400221 2800442 26604199 53208398