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49419242 = 224709621
BaseRepresentation
bin1011110010000…
…1001111101010
310102222202110022
42330201033222
5100122403432
64523120442
71140025265
oct274411752
9112882408
1049419242
1125994454
1214673122
13a313c72
1467c5cdc
154512b12
hex2f213ea

49419242 has 4 divisors (see below), whose sum is σ = 74128866. Its totient is φ = 24709620.

The previous prime is 49419241. The next prime is 49419259. The reversal of 49419242 is 24291494.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 49266361 + 152881 = 7019^2 + 391^2 .

It is a super-3 number, since 3×494192423 (a number of 24 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (49419241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12354809 + ... + 12354812.

Almost surely, 249419242 is an apocalyptic number.

49419242 is a deficient number, since it is larger than the sum of its proper divisors (24709624).

49419242 is a wasteful number, since it uses less digits than its factorization.

49419242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24709623.

The product of its digits is 20736, while the sum is 35.

The square root of 49419242 is about 7029.8820758246. The cubic root of 49419242 is about 366.9712376640.

The spelling of 49419242 in words is "forty-nine million, four hundred nineteen thousand, two hundred forty-two".

Divisors: 1 2 24709621 49419242