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55382370 = 2351846079
BaseRepresentation
bin1101001101000…
…1000101100010
310212012201022220
43103101011202
5103134213440
65255011510
71241512431
oct323210542
9125181286
1055382370
112929765a
1216669b96
13b621244
1474d9118
154cde8d0
hex34d1162

55382370 has 16 divisors (see below), whose sum is σ = 132917760. Its totient is φ = 14768624.

The previous prime is 55382339. The next prime is 55382381. The reversal of 55382370 is 7328355.

It is a super-3 number, since 3×553823703 (a number of 24 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 923010 + ... + 923069.

It is an arithmetic number, because the mean of its divisors is an integer number (8307360).

Almost surely, 255382370 is an apocalyptic number.

55382370 is an abundant number, since it is smaller than the sum of its proper divisors (77535390).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55382370 is a wasteful number, since it uses less digits than its factorization.

55382370 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1846089.

The product of its (nonzero) digits is 25200, while the sum is 33.

The square root of 55382370 is about 7441.9332165775. The cubic root of 55382370 is about 381.1745055211.

The spelling of 55382370 in words is "fifty-five million, three hundred eighty-two thousand, three hundred seventy".

Divisors: 1 2 3 5 6 10 15 30 1846079 3692158 5538237 9230395 11076474 18460790 27691185 55382370