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53914990 = 25172313789
BaseRepresentation
bin1100110110101…
…0110101101110
310202110011110111
43031222311232
5102300234430
65203330234
71223161363
oct315526556
9122404414
1053914990
1128485148
121608097a
13b22937c
14723646a
154aeec2a
hex336ad6e

53914990 has 32 divisors (see below), whose sum is σ = 107231040. Its totient is φ = 19413504.

The previous prime is 53914943. The next prime is 53914999. The reversal of 53914990 is 9941935.

It is a super-2 number, since 2×539149902 = 5813652293400200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53914999) 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, 2985 + ... + 10804.

It is an arithmetic number, because the mean of its divisors is an integer number (3350970).

Almost surely, 253914990 is an apocalyptic number.

53914990 is a deficient number, since it is larger than the sum of its proper divisors (53316050).

53914990 is a wasteful number, since it uses less digits than its factorization.

53914990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13836.

The product of its (nonzero) digits is 43740, while the sum is 40.

The square root of 53914990 is about 7342.6827522371. The cubic root of 53914990 is about 377.7778665577. Note that the first 3 decimals are identical.

The spelling of 53914990 in words is "fifty-three million, nine hundred fourteen thousand, nine hundred ninety".

Divisors: 1 2 5 10 17 23 34 46 85 115 170 230 391 782 1955 3910 13789 27578 68945 137890 234413 317147 468826 634294 1172065 1585735 2344130 3171470 5391499 10782998 26957495 53914990