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400032414 = 23222224023
BaseRepresentation
bin10111110110000…
…000001010011110
31000212201202022100
4113312000022132
51304402014124
6103410025530
712625135155
oct2766001236
91025652270
10400032414
11195898301
12b1b782a6
1364b53292
143b1b259c
15251bd1c9
hex17d8029e

400032414 has 12 divisors (see below), whose sum is σ = 866736936. Its totient is φ = 133344132.

The previous prime is 400032407. The next prime is 400032433. The reversal of 400032414 is 414230004.

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 22224023 = 400032414 / (4 + 0 + 0 + 0 + 3 + 2 + 4 + 1 + 4).

It is a congruent number.

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, 11111994 + ... + 11112029.

It is an arithmetic number, because the mean of its divisors is an integer number (72228078).

Almost surely, 2400032414 is an apocalyptic number.

400032414 is an abundant number, since it is smaller than the sum of its proper divisors (466704522).

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

400032414 is a wasteful number, since it uses less digits than its factorization.

400032414 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22224031 (or 22224028 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 400032414 is about 20000.8103335840. The cubic root of 400032414 is about 736.8262015567.

Adding to 400032414 its reverse (414230004), we get a palindrome (814262418).

The spelling of 400032414 in words is "four hundred million, thirty-two thousand, four hundred fourteen".

Divisors: 1 2 3 6 9 18 22224023 44448046 66672069 133344138 200016207 400032414