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52403315 = 523455681
BaseRepresentation
bin1100011111100…
…1110001110011
310122121100211112
43013321301303
5101403401230
65111103535
71204264226
oct307716163
9118540745
1052403315
1127642428
1215671bab
13ab1a2a3
146d615bd
154901d95
hex31f9c73

52403315 has 8 divisors (see below), whose sum is σ = 65618208. Its totient is φ = 40099840.

The previous prime is 52403297. The next prime is 52403321. The reversal of 52403315 is 51330425.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 52403315 - 28 = 52403059 is a prime.

It is a super-2 number, since 2×524033152 = 5492214845978450, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is a zygodrome in base 2.

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, 227726 + ... + 227955.

It is an arithmetic number, because the mean of its divisors is an integer number (8202276).

Almost surely, 252403315 is an apocalyptic number.

52403315 is a deficient number, since it is larger than the sum of its proper divisors (13214893).

52403315 is a wasteful number, since it uses less digits than its factorization.

52403315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 455709.

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 52403315 is about 7239.0133996284. The cubic root of 52403315 is about 374.2136172771.

The spelling of 52403315 in words is "fifty-two million, four hundred three thousand, three hundred fifteen".

Divisors: 1 5 23 115 455681 2278405 10480663 52403315