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401031255 = 3579338423
BaseRepresentation
bin10111111001110…
…100000001010111
31000221121111110110
4113321310001113
51310131000010
6103443254103
712636465222
oct2771640127
91027544413
10401031255
1119640a799
12b237a333
1365112b01
143b3925b9
1525319120
hex17e74057

401031255 has 16 divisors (see below), whose sum is σ = 649774080. Its totient is φ = 211175328.

The previous prime is 401031203. The next prime is 401031269. The reversal of 401031255 is 552130104.

It is not a de Polignac number, because 401031255 - 28 = 401030999 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 168027 + ... + 170396.

It is an arithmetic number, because the mean of its divisors is an integer number (40610880).

Almost surely, 2401031255 is an apocalyptic number.

401031255 is a deficient number, since it is larger than the sum of its proper divisors (248742825).

401031255 is a wasteful number, since it uses less digits than its factorization.

401031255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 338510.

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 401031255 is about 20025.7647794036. The cubic root of 401031255 is about 737.4389523346.

Adding to 401031255 its reverse (552130104), we get a palindrome (953161359).

The spelling of 401031255 in words is "four hundred one million, thirty-one thousand, two hundred fifty-five".

Divisors: 1 3 5 15 79 237 395 1185 338423 1015269 1692115 5076345 26735417 80206251 133677085 401031255