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11401479 = 34140759
BaseRepresentation
bin101011011111…
…100100000111
3210110020220000
4223133210013
510404321404
61044212343
7165624315
oct53374407
923406800
1011401479
116488111
12399a0b3
13249274b
14172b0b5
151003339
hexadf907

11401479 has 10 divisors (see below), whose sum is σ = 17031960. Its totient is φ = 7600932.

The previous prime is 11401471. The next prime is 11401483. The reversal of 11401479 is 97410411.

It is not a de Polignac number, because 11401479 - 23 = 11401471 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11401471) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 70299 + ... + 70460.

It is an arithmetic number, because the mean of its divisors is an integer number (1703196).

Almost surely, 211401479 is an apocalyptic number.

11401479 is a deficient number, since it is larger than the sum of its proper divisors (5630481).

11401479 is an equidigital number, since it uses as much as digits as its factorization.

11401479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140771 (or 140762 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 27.

The square root of 11401479 is about 3376.6076171211. The cubic root of 11401479 is about 225.0714439787.

The spelling of 11401479 in words is "eleven million, four hundred one thousand, four hundred seventy-nine".

Divisors: 1 3 9 27 81 140759 422277 1266831 3800493 11401479