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1020311094 = 231115459259
BaseRepresentation
bin111100110100001…
…011011000110110
32122002220011200210
4330310023120312
54042144423334
6245124450250
734166333625
oct7464133066
92562804623
101020311094
11483a36910
12245849986
131334cc09a
14997176bc
155e8945e9
hex3cd0b636

1020311094 has 16 divisors (see below), whose sum is σ = 2226133440. Its totient is φ = 309185160.

The previous prime is 1020311093. The next prime is 1020311107. The reversal of 1020311094 is 4901130201.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1020311094.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020311093) 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, 7729564 + ... + 7729695.

It is an arithmetic number, because the mean of its divisors is an integer number (139133340).

Almost surely, 21020311094 is an apocalyptic number.

1020311094 is an abundant number, since it is smaller than the sum of its proper divisors (1205822346).

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

1020311094 is a wasteful number, since it uses less digits than its factorization.

1020311094 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15459275.

The product of its (nonzero) digits is 216, while the sum is 21.

The square root of 1020311094 is about 31942.3088395313. The cubic root of 1020311094 is about 1006.7250371594.

Adding to 1020311094 its reverse (4901130201), we get a palindrome (5921441295).

The spelling of 1020311094 in words is "one billion, twenty million, three hundred eleven thousand, ninety-four".

Divisors: 1 2 3 6 11 22 33 66 15459259 30918518 46377777 92755554 170051849 340103698 510155547 1020311094