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49200991 = 711362201
BaseRepresentation
bin1011101110101…
…1111101011111
310102120200001221
42323223331133
5100043412431
64514314211
71135126060
oct273537537
9112520057
1049200991
1125855484
1214588967
13a268818
14676a567
1544bd111
hex2eebf5f

49200991 has 8 divisors (see below), whose sum is σ = 56728224. Its totient is φ = 41798400.

The previous prime is 49200967. The next prime is 49200997. The reversal of 49200991 is 19900294.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 49200991 - 29 = 49200479 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49200997) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30310 + ... + 31891.

It is an arithmetic number, because the mean of its divisors is an integer number (7091028).

Almost surely, 249200991 is an apocalyptic number.

49200991 is a deficient number, since it is larger than the sum of its proper divisors (7527233).

49200991 is a wasteful number, since it uses less digits than its factorization.

49200991 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62321.

The product of its (nonzero) digits is 5832, while the sum is 34.

The square root of 49200991 is about 7014.3418080387. The cubic root of 49200991 is about 366.4302201028.

The spelling of 49200991 in words is "forty-nine million, two hundred thousand, nine hundred ninety-one".

Divisors: 1 7 113 791 62201 435407 7028713 49200991