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55151406 = 2323063967
BaseRepresentation
bin1101001001100…
…0101100101110
310211202222111200
43102120230232
5103104321111
65250030330
71236531162
oct322305456
9124688450
1055151406
112914a082
12165783a6
13b57008b
147478ca2
154c96256
hex3498b2e

55151406 has 12 divisors (see below), whose sum is σ = 119494752. Its totient is φ = 18383796.

The previous prime is 55151399. The next prime is 55151419. The reversal of 55151406 is 60415155.

It is a happy number.

55151406 is a `hidden beast` number, since 5 + 515 + 140 + 6 = 666.

55151406 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 55151406.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1531966 + ... + 1532001.

It is an arithmetic number, because the mean of its divisors is an integer number (9957896).

Almost surely, 255151406 is an apocalyptic number.

55151406 is an abundant number, since it is smaller than the sum of its proper divisors (64343346).

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

55151406 is a wasteful number, since it uses less digits than its factorization.

55151406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3063975 (or 3063972 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 27.

The square root of 55151406 is about 7426.3992620920. The cubic root of 55151406 is about 380.6438898792.

The spelling of 55151406 in words is "fifty-five million, one hundred fifty-one thousand, four hundred six".

Divisors: 1 2 3 6 9 18 3063967 6127934 9191901 18383802 27575703 55151406