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49400399 = 195349057
BaseRepresentation
bin1011110001110…
…0101001001111
310102221210121102
42330130221033
5100121303044
64522453315
71136616326
oct274345117
9112853542
1049400399
1125981284
121466423b
13a308509
1467bd0bd
15450c24e
hex2f1ca4f

49400399 has 8 divisors (see below), whose sum is σ = 52982640. Its totient is φ = 45916416.

The previous prime is 49400383. The next prime is 49400401. The reversal of 49400399 is 99300494.

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

It is a cyclic number.

It is not a de Polignac number, because 49400399 - 24 = 49400383 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49400339) 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, 23522 + ... + 25535.

It is an arithmetic number, because the mean of its divisors is an integer number (6622830).

Almost surely, 249400399 is an apocalyptic number.

49400399 is a deficient number, since it is larger than the sum of its proper divisors (3582241).

49400399 is a wasteful number, since it uses less digits than its factorization.

49400399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49129.

The product of its (nonzero) digits is 34992, while the sum is 38.

The square root of 49400399 is about 7028.5417406458. The cubic root of 49400399 is about 366.9245910693.

The spelling of 49400399 in words is "forty-nine million, four hundred thousand, three hundred ninety-nine".

Divisors: 1 19 53 1007 49057 932083 2600021 49400399