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52398007 = 1072511951
BaseRepresentation
bin1100011111100…
…0011110110111
310122121002112221
43013320132313
5101403214012
65111023211
71204242604
oct307703667
9118532487
1052398007
1127639442
121566ab07
13ab17a4c
146d5d6ab
154900507
hex31f87b7

52398007 has 8 divisors (see below), whose sum is σ = 53125632. Its totient is φ = 51675000.

The previous prime is 52398001. The next prime is 52398011. The reversal of 52398007 is 70089325.

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

It is a cyclic number.

It is not a de Polignac number, because 52398007 - 219 = 51873719 is a prime.

It is a super-2 number, since 2×523980072 = 5491102275144098, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52398001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25882 + ... + 27832.

It is an arithmetic number, because the mean of its divisors is an integer number (6640704).

Almost surely, 252398007 is an apocalyptic number.

52398007 is a deficient number, since it is larger than the sum of its proper divisors (727625).

52398007 is a wasteful number, since it uses less digits than its factorization.

52398007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2309.

The product of its (nonzero) digits is 15120, while the sum is 34.

The square root of 52398007 is about 7238.6467657981. The cubic root of 52398007 is about 374.2009819890.

The spelling of 52398007 in words is "fifty-two million, three hundred ninety-eight thousand, seven".

Divisors: 1 107 251 1951 26857 208757 489701 52398007