Search a number
-
+
42929761 = 7311811093
BaseRepresentation
bin1010001111000…
…0111001100001
32222210001120011
42203300321201
541442223021
64132044521
71030616440
oct243607141
988701504
1042929761
1122261846
1212463741
138b81234
1459b6d57
153b7ede1
hex28f0e61

42929761 has 16 divisors (see below), whose sum is σ = 50971648. Its totient is φ = 35380800.

The previous prime is 42929723. The next prime is 42929771. The reversal of 42929761 is 16792924.

It is not a de Polignac number, because 42929761 - 217 = 42798689 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42929771) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38731 + ... + 39823.

It is an arithmetic number, because the mean of its divisors is an integer number (3185728).

Almost surely, 242929761 is an apocalyptic number.

It is an amenable number.

42929761 is a deficient number, since it is larger than the sum of its proper divisors (8041887).

42929761 is a wasteful number, since it uses less digits than its factorization.

42929761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1312.

The product of its digits is 54432, while the sum is 40.

The square root of 42929761 is about 6552.0806618966. The cubic root of 42929761 is about 350.1489461292.

The spelling of 42929761 in words is "forty-two million, nine hundred twenty-nine thousand, seven hundred sixty-one".

Divisors: 1 7 31 181 217 1093 1267 5611 7651 33883 39277 197833 237181 1384831 6132823 42929761