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401214129 = 3133738043
BaseRepresentation
bin10111111010100…
…000101010110001
31000221221210022120
4113322200222301
51310202323004
6103451224453
712641156331
oct2772405261
91027853276
10401214129
11196525128
12b2448129
1365178114
143b3dd0c1
15253533d9
hex17ea0ab1

401214129 has 4 divisors (see below), whose sum is σ = 534952176. Its totient is φ = 267476084.

The previous prime is 401214119. The next prime is 401214131. The reversal of 401214129 is 921412104.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-401214129 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 401214099 and 401214108.

It is not an unprimeable number, because it can be changed into a prime (401214109) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66869019 + ... + 66869024.

It is an arithmetic number, because the mean of its divisors is an integer number (133738044).

Almost surely, 2401214129 is an apocalyptic number.

It is an amenable number.

401214129 is a deficient number, since it is larger than the sum of its proper divisors (133738047).

401214129 is a wasteful number, since it uses less digits than its factorization.

401214129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133738046.

The product of its (nonzero) digits is 576, while the sum is 24.

The square root of 401214129 is about 20030.3302269334. The cubic root of 401214129 is about 737.5510283183.

The spelling of 401214129 in words is "four hundred one million, two hundred fourteen thousand, one hundred twenty-nine".

Divisors: 1 3 133738043 401214129