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49300991 = 192594789
BaseRepresentation
bin1011110000010…
…0010111111111
310102202202020122
42330010113333
5100110112431
64520405155
71136023445
oct274042777
9112682218
1049300991
1125913623
12146167bb
13a2a21ac
146794b95
1544dca7b
hex2f045ff

49300991 has 4 divisors (see below), whose sum is σ = 51895800. Its totient is φ = 46706184.

The previous prime is 49300973. The next prime is 49300997. The reversal of 49300991 is 19900394.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 49300991 - 210 = 49299967 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 (49300997) 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, 1297376 + ... + 1297413.

It is an arithmetic number, because the mean of its divisors is an integer number (12973950).

Almost surely, 249300991 is an apocalyptic number.

49300991 is a deficient number, since it is larger than the sum of its proper divisors (2594809).

49300991 is a wasteful number, since it uses less digits than its factorization.

49300991 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2594808.

The product of its (nonzero) digits is 8748, while the sum is 35.

The square root of 49300991 is about 7021.4664422754. The cubic root of 49300991 is about 366.6783060584.

The spelling of 49300991 in words is "forty-nine million, three hundred thousand, nine hundred ninety-one".

Divisors: 1 19 2594789 49300991