Search a number
-
+
49492390 = 254949239
BaseRepresentation
bin1011110011001…
…1000110100110
310110010110210111
42330303012212
5100132224030
64524443234
71140451453
oct274630646
9113113714
1049492390
1125a34402
12146a951a
13a33b34c
14680482a
15452962a
hex2f331a6

49492390 has 8 divisors (see below), whose sum is σ = 89086320. Its totient is φ = 19796952.

The previous prime is 49492381. The next prime is 49492393. The reversal of 49492390 is 9329494.

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

It is a super-3 number, since 3×494923903 (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 (49492393) 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, 2474610 + ... + 2474629.

It is an arithmetic number, because the mean of its divisors is an integer number (11135790).

Almost surely, 249492390 is an apocalyptic number.

49492390 is a deficient number, since it is larger than the sum of its proper divisors (39593930).

49492390 is a wasteful number, since it uses less digits than its factorization.

49492390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4949246.

The product of its (nonzero) digits is 69984, while the sum is 40.

The square root of 49492390 is about 7035.0827997970. The cubic root of 49492390 is about 367.1522061686.

The spelling of 49492390 in words is "forty-nine million, four hundred ninety-two thousand, three hundred ninety".

Divisors: 1 2 5 10 4949239 9898478 24746195 49492390