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BaseRepresentation
bin101001110110010…
…1001010010010010
310121212021101020120
41103230221102102
510333434243440
6351201051110
746540415421
oct12354512222
93555241216
101404212370
116607065a0
12332326a96
13194bc4bc2
14d46cb2b8
1583427dd0
hex53b29492

1404212370 has 64 divisors (see below), whose sum is σ = 3680861184. Its totient is φ = 340009920.

The previous prime is 1404212351. The next prime is 1404212371. The reversal of 1404212370 is 732124041.

It is a happy number.

It is a super-2 number, since 2×14042123702 = 3943624760122033800, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1404212370.

It is not an unprimeable number, because it can be changed into a prime (1404212371) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 348789 + ... + 352791.

It is an arithmetic number, because the mean of its divisors is an integer number (57513456).

Almost surely, 21404212370 is an apocalyptic number.

1404212370 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1404212370 is an abundant number, since it is smaller than the sum of its proper divisors (2276648814).

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

1404212370 is a wasteful number, since it uses less digits than its factorization.

1404212370 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5087.

The product of its (nonzero) digits is 1344, while the sum is 24.

The square root of 1404212370 is about 37472.8217512373. The cubic root of 1404212370 is about 1119.8098024177.

The spelling of 1404212370 in words is "one billion, four hundred four million, two hundred twelve thousand, three hundred seventy".