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53919370 = 255391937
BaseRepresentation
bin1100110110101…
…1111010001010
310202110101110201
43031223322022
5102300404440
65203402414
71223210221
oct315537212
9122411421
1053919370
112848846a
121608340a
13b22b36b
147237cb8
154b0119a
hex336be8a

53919370 has 8 divisors (see below), whose sum is σ = 97054884. Its totient is φ = 21567744.

The previous prime is 53919361. The next prime is 53919379. The reversal of 53919370 is 7391935.

It is an interprime number because it is at equal distance from previous prime (53919361) and next prime (53919379).

It can be written as a sum of positive squares in 2 ways, for example, as 51854401 + 2064969 = 7201^2 + 1437^2 .

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

It is a super-2 number, since 2×539193702 = 5814596922393800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (53919379) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2695959 + ... + 2695978.

Almost surely, 253919370 is an apocalyptic number.

53919370 is a deficient number, since it is larger than the sum of its proper divisors (43135514).

53919370 is a wasteful number, since it uses less digits than its factorization.

53919370 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5391944.

The product of its (nonzero) digits is 25515, while the sum is 37.

The square root of 53919370 is about 7342.9810022906. The cubic root of 53919370 is about 377.7880963797.

It can be divided in two parts, 53919 and 370, that added together give a square (54289 = 2332).

The spelling of 53919370 in words is "fifty-three million, nine hundred nineteen thousand, three hundred seventy".

Divisors: 1 2 5 10 5391937 10783874 26959685 53919370