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628772485 = 51111432227
BaseRepresentation
bin100101011110100…
…100111010000101
31121211010221200211
4211132210322011
52241431204420
6142220435421
721403322635
oct4536447205
91554127624
10628772485
112a2a20090
121566a8b71
13a0360c33
145d7166c5
153a302e5a
hex257a4e85

628772485 has 8 divisors (see below), whose sum is σ = 823120416. Its totient is φ = 457289040.

The previous prime is 628772467. The next prime is 628772503. The reversal of 628772485 is 584277826.

628772485 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (628772467) and next prime (628772503).

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

It is not a de Polignac number, because 628772485 - 27 = 628772357 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5716059 + ... + 5716168.

It is an arithmetic number, because the mean of its divisors is an integer number (102890052).

Almost surely, 2628772485 is an apocalyptic number.

It is an amenable number.

628772485 is a deficient number, since it is larger than the sum of its proper divisors (194347931).

628772485 is a wasteful number, since it uses less digits than its factorization.

628772485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11432243.

The product of its digits is 1505280, while the sum is 49.

The square root of 628772485 is about 25075.3361891720. The cubic root of 628772485 is about 856.7047527735.

The spelling of 628772485 in words is "six hundred twenty-eight million, seven hundred seventy-two thousand, four hundred eighty-five".

Divisors: 1 5 11 55 11432227 57161135 125754497 628772485