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4742841 = 310315349
BaseRepresentation
bin10010000101111010111001
322220221221210
4102011322321
52203232331
6245353333
755212345
oct22057271
98827853
104742841
11274a404
121708849
13ca0a1c
148b6625
1563a446
hex485eb9

4742841 has 8 divisors (see below), whose sum is σ = 6385600. Its totient is φ = 3130992.

The previous prime is 4742831. The next prime is 4742861. The reversal of 4742841 is 1482474.

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

It is not a de Polignac number, because 4742841 - 25 = 4742809 is a prime.

It is a super-4 number, since 4×47428414 (a number of 28 digits) contains 4444 as substring.

It is a Duffinian number.

4742841 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 4742799 and 4742808.

It is not an unprimeable number, because it can be changed into a prime (4742821) 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, 7366 + ... + 7983.

It is an arithmetic number, because the mean of its divisors is an integer number (798200).

Almost surely, 24742841 is an apocalyptic number.

It is an amenable number.

4742841 is a deficient number, since it is larger than the sum of its proper divisors (1642759).

4742841 is a wasteful number, since it uses less digits than its factorization.

4742841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15455.

The product of its digits is 7168, while the sum is 30.

The square root of 4742841 is about 2177.8064652306. The cubic root of 4742841 is about 168.0142774147.

The spelling of 4742841 in words is "four million, seven hundred forty-two thousand, eight hundred forty-one".

Divisors: 1 3 103 309 15349 46047 1580947 4742841