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407001477 = 3135667159
BaseRepresentation
bin11000010000100…
…101100110000101
31001100211211001210
4120100211212011
51313143021402
6104215242033
713041312141
oct3020454605
91040754053
10407001477
11199818263
12b4379319
136642339c
143c0a8221
1525ae806c
hex18425985

407001477 has 4 divisors (see below), whose sum is σ = 542668640. Its totient is φ = 271334316.

The previous prime is 407001473. The next prime is 407001481. The reversal of 407001477 is 774100704.

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 an interprime number because it is at equal distance from previous prime (407001473) and next prime (407001481).

It is not a de Polignac number, because 407001477 - 22 = 407001473 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (407001473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67833577 + ... + 67833582.

It is an arithmetic number, because the mean of its divisors is an integer number (135667160).

Almost surely, 2407001477 is an apocalyptic number.

It is an amenable number.

407001477 is a deficient number, since it is larger than the sum of its proper divisors (135667163).

407001477 is a wasteful number, since it uses less digits than its factorization.

407001477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135667162.

The product of its (nonzero) digits is 5488, while the sum is 30.

The square root of 407001477 is about 20174.2776078847. The cubic root of 407001477 is about 741.0804019983.

The spelling of 407001477 in words is "four hundred seven million, one thousand, four hundred seventy-seven".

Divisors: 1 3 135667159 407001477