Search a number
-
+
1419491920 = 2457112343233
BaseRepresentation
bin101010010011011…
…1011101001010000
310122221000122211211
41110212323221100
510401342220140
6352504345504
750114324260
oct12446735120
93587018754
101419491920
116692a2320
12337475294
13198114862
14d67477a0
15849452ea
hex549bba50

1419491920 has 320 divisors, whose sum is σ = 4412289024. Its totient is φ = 411586560.

The previous prime is 1419491917. The next prime is 1419491923. The reversal of 1419491920 is 291949141.

It is an interprime number because it is at equal distance from previous prime (1419491917) and next prime (1419491923).

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1419491923) 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, 6092124 + ... + 6092356.

Almost surely, 21419491920 is an apocalyptic number.

1419491920 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 1419491920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2206144512).

1419491920 is an abundant number, since it is smaller than the sum of its proper divisors (2992797104).

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

1419491920 is a wasteful number, since it uses less digits than its factorization.

1419491920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 330 (or 324 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 40.

The square root of 1419491920 is about 37676.1452380681. The cubic root of 1419491920 is about 1123.8567929234.

The spelling of 1419491920 in words is "one billion, four hundred nineteen million, four hundred ninety-one thousand, nine hundred twenty".