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49231001 = 431144907
BaseRepresentation
bin1011101111001…
…1010010011001
310102122012020102
42323303102121
5100100343001
64515105145
71135312421
oct273632231
9112565212
1049231001
1125875a86
12145a21b5
13a279391
146777481
1544c6e6b
hex2ef3499

49231001 has 4 divisors (see below), whose sum is σ = 50375952. Its totient is φ = 48086052.

The previous prime is 49230991. The next prime is 49231003. The reversal of 49231001 is 10013294.

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-49231001 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (49231003) 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, 572411 + ... + 572496.

It is an arithmetic number, because the mean of its divisors is an integer number (12593988).

Almost surely, 249231001 is an apocalyptic number.

It is an amenable number.

49231001 is a deficient number, since it is larger than the sum of its proper divisors (1144951).

49231001 is a wasteful number, since it uses less digits than its factorization.

49231001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1144950.

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 49231001 is about 7016.4806705356. The cubic root of 49231001 is about 366.5047059730.

Adding to 49231001 its reverse (10013294), we get a palindrome (59244295).

The spelling of 49231001 in words is "forty-nine million, two hundred thirty-one thousand, one".

Divisors: 1 43 1144907 49231001