Search a number
-
+
49939407 = 327792689
BaseRepresentation
bin1011111010000…
…0001111001111
310110222011222200
42332200033033
5100241030112
64542212543
71144322640
oct276401717
9113864880
1049939407
112620a241
1214884153
13a46695b
1468bd6c7
1545b6cdc
hex2fa03cf

49939407 has 12 divisors (see below), whose sum is σ = 82439760. Its totient is φ = 28536768.

The previous prime is 49939397. The next prime is 49939411. The reversal of 49939407 is 70493994.

It is not a de Polignac number, because 49939407 - 26 = 49939343 is a prime.

It is a super-3 number, since 3×499394073 (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49939207) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 396282 + ... + 396407.

It is an arithmetic number, because the mean of its divisors is an integer number (6869980).

Almost surely, 249939407 is an apocalyptic number.

49939407 is a deficient number, since it is larger than the sum of its proper divisors (32500353).

49939407 is a wasteful number, since it uses less digits than its factorization.

49939407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 792702 (or 792699 counting only the distinct ones).

The product of its (nonzero) digits is 244944, while the sum is 45.

The square root of 49939407 is about 7066.7819408837. The cubic root of 49939407 is about 368.2542720277.

It can be divided in two parts, 4993 and 9407, that added together give a square (14400 = 1202).

The spelling of 49939407 in words is "forty-nine million, nine hundred thirty-nine thousand, four hundred seven".

Divisors: 1 3 7 9 21 63 792689 2378067 5548823 7134201 16646469 49939407