Search a number
-
+
61160428 = 2272312043
BaseRepresentation
bin1110100101001…
…1101111101100
311021002021100001
43221103233230
5111124113203
610022514044
71341566200
oct351235754
9137067301
1061160428
113158380a
1218595924
13c895204
1481a0b00
15558191d
hex3a53bec

61160428 has 18 divisors (see below), whose sum is σ = 124505556. Its totient is φ = 26211528.

The previous prime is 61160419. The next prime is 61160431. The reversal of 61160428 is 82406116.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a junction number, because it is equal to n+sod(n) for n = 61160396 and 61160405.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 155826 + ... + 156217.

Almost surely, 261160428 is an apocalyptic number.

It is an amenable number.

61160428 is an abundant number, since it is smaller than the sum of its proper divisors (63345128).

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

61160428 is a wasteful number, since it uses less digits than its factorization.

61160428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 312061 (or 312052 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 28.

The square root of 61160428 is about 7820.5132823875. The cubic root of 61160428 is about 393.9945115059.

The spelling of 61160428 in words is "sixty-one million, one hundred sixty thousand, four hundred twenty-eight".

Divisors: 1 2 4 7 14 28 49 98 196 312043 624086 1248172 2184301 4368602 8737204 15290107 30580214 61160428