Search a number
-
+
572006440 = 23529493109
BaseRepresentation
bin100010000110000…
…010000000101000
31110212022221022201
4202012002000220
52132413201230
6132432025544
720113655155
oct4206020050
91425287281
10572006440
112739789a5
1213b6922b4
1391676c65
1455d7b22c
153533d5ca
hex22182028

572006440 has 32 divisors (see below), whose sum is σ = 1331397000. Its totient is φ = 220912384.

The previous prime is 572006437. The next prime is 572006443. The reversal of 572006440 is 44600275.

It is an interprime number because it is at equal distance from previous prime (572006437) and next prime (572006443).

It can be written as a sum of positive squares in 4 ways, for example, as 259918884 + 312087556 = 16122^2 + 17666^2 .

It is a junction number, because it is equal to n+sod(n) for n = 572006399 and 572006408.

It is not an unprimeable number, because it can be changed into a prime (572006443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 245395 + ... + 247714.

Almost surely, 2572006440 is an apocalyptic number.

It is an amenable number.

572006440 is an abundant number, since it is smaller than the sum of its proper divisors (759390560).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

572006440 is a wasteful number, since it uses less digits than its factorization.

572006440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 493149 (or 493145 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 28.

The square root of 572006440 is about 23916.6561207875. The cubic root of 572006440 is about 830.1061653524.

The spelling of 572006440 in words is "five hundred seventy-two million, six thousand, four hundred forty".

Divisors: 1 2 4 5 8 10 20 29 40 58 116 145 232 290 580 1160 493109 986218 1972436 2465545 3944872 4931090 9862180 14300161 19724360 28600322 57200644 71500805 114401288 143001610 286003220 572006440