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1401322230 = 2325711433467
BaseRepresentation
bin101001110000110…
…0111101011110110
310121122211112201100
41103201213223312
510332214302410
6351015110530
746504020360
oct12341475366
93548745640
101401322230
1165a012150
12331372446
13194422569
14d4177d30
15830568c0
hex53867af6

1401322230 has 192 divisors, whose sum is σ = 4562707968. Its totient is φ = 289889280.

The previous prime is 1401322199. The next prime is 1401322259. The reversal of 1401322230 is 322231041.

1401322230 is a `hidden beast` number, since 1 + 401 + 32 + 2 + 230 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 3000457 + ... + 3000923.

It is an arithmetic number, because the mean of its divisors is an integer number (23764104).

Almost surely, 21401322230 is an apocalyptic number.

1401322230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1401322230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2281353984).

1401322230 is an abundant number, since it is smaller than the sum of its proper divisors (3161385738).

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

1401322230 is a wasteful number, since it uses less digits than its factorization.

1401322230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 931 (or 928 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 1401322230 is about 37434.2387394214. The cubic root of 1401322230 is about 1119.0410131906.

Adding to 1401322230 its reverse (322231041), we get a palindrome (1723553271).

The spelling of 1401322230 in words is "one billion, four hundred one million, three hundred twenty-two thousand, two hundred thirty".