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52398970 = 25131073767
BaseRepresentation
bin1100011111100…
…0101101111010
310122121010212121
43013320231322
5101403231340
65111031454
71204245451
oct307705572
9118533777
1052398970
112763a138
121566b58a
13ab18310
146d5db98
15490094a
hex31f8b7a

52398970 has 32 divisors (see below), whose sum is σ = 102549888. Its totient is φ = 19161408.

The previous prime is 52398953. The next prime is 52398977. The reversal of 52398970 is 7989325.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (52398977) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12027 + ... + 15793.

It is an arithmetic number, because the mean of its divisors is an integer number (3204684).

Almost surely, 252398970 is an apocalyptic number.

52398970 is a deficient number, since it is larger than the sum of its proper divisors (50150918).

52398970 is a wasteful number, since it uses less digits than its factorization.

52398970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3894.

The product of its (nonzero) digits is 136080, while the sum is 43.

The square root of 52398970 is about 7238.7132834503. The cubic root of 52398970 is about 374.2032744002.

The spelling of 52398970 in words is "fifty-two million, three hundred ninety-eight thousand, nine hundred seventy".

Divisors: 1 2 5 10 13 26 65 107 130 214 535 1070 1391 2782 3767 6955 7534 13910 18835 37670 48971 97942 244855 403069 489710 806138 2015345 4030690 5239897 10479794 26199485 52398970