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1228854000 = 243531143433
BaseRepresentation
bin100100100111110…
…1101001011110000
310011122022020210010
41021033231023300
510004041312000
6321534334520
742311041503
oct11117551360
93148266703
101228854000
11580724220
122a365a440
1316778795a
14b92c113a
1572d39d50
hex493ed2f0

1228854000 has 320 divisors, whose sum is σ = 4432716288. Its totient is φ = 290304000.

The previous prime is 1228853999. The next prime is 1228854001. The reversal of 1228854000 is 4588221.

It is an interprime number because it is at equal distance from previous prime (1228853999) and next prime (1228854001).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1228854001) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2837784 + ... + 2838216.

Almost surely, 21228854000 is an apocalyptic number.

1228854000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1228854000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2216358144).

1228854000 is an abundant number, since it is smaller than the sum of its proper divisors (3203862288).

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

1228854000 is a wasteful number, since it uses less digits than its factorization.

1228854000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 513 (or 497 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 30.

The square root of 1228854000 is about 35055.0139067153. The cubic root of 1228854000 is about 1071.1084097364.

The spelling of 1228854000 in words is "one billion, two hundred twenty-eight million, eight hundred fifty-four thousand".