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1030431042 = 232179319811
BaseRepresentation
bin111101011010110…
…010000101000010
32122210221022122200
4331122302011002
54102242243132
6250125414030
734351343064
oct7532620502
92583838580
101030431042
11489719103
1224910a316
13135633414
149abcd734
15606e2d7c
hex3d6b2142

1030431042 has 24 divisors (see below), whose sum is σ = 2245080240. Its totient is φ = 341557080.

The previous prime is 1030431037. The next prime is 1030431089. The reversal of 1030431042 is 2401340301.

1030431042 is a `hidden beast` number, since 10 + 304 + 310 + 42 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 156684 + ... + 163127.

It is an arithmetic number, because the mean of its divisors is an integer number (93545010).

Almost surely, 21030431042 is an apocalyptic number.

1030431042 is an abundant number, since it is smaller than the sum of its proper divisors (1214649198).

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

1030431042 is a wasteful number, since it uses less digits than its factorization.

1030431042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 319998 (or 319995 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 1030431042 is about 32100.3277553361. The cubic root of 1030431042 is about 1010.0424914319.

Adding to 1030431042 its reverse (2401340301), we get a palindrome (3431771343).

The spelling of 1030431042 in words is "one billion, thirty million, four hundred thirty-one thousand, forty-two".

Divisors: 1 2 3 6 9 18 179 358 537 1074 1611 3222 319811 639622 959433 1918866 2878299 5756598 57246169 114492338 171738507 343477014 515215521 1030431042