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1020502344 = 233292116949
BaseRepresentation
bin111100110100111…
…010000101001000
32122010020220001010
4330310322011020
54042222033334
6245132523520
734201061331
oct7464720510
92563226033
101020502344
11484057574
122459205a0
13133568154
1499767288
155e8d10e9
hex3cd3a148

1020502344 has 64 divisors (see below), whose sum is σ = 2652120000. Its totient is φ = 326833920.

The previous prime is 1020502337. The next prime is 1020502349. The reversal of 1020502344 is 4432050201.

It is a self number, because there is not a number n which added to its sum of digits gives 1020502344.

It is not an unprimeable number, because it can be changed into a prime (1020502349) 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, 143382 + ... + 150330.

It is an arithmetic number, because the mean of its divisors is an integer number (41439375).

Almost surely, 21020502344 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1020502344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1326060000).

1020502344 is an abundant number, since it is smaller than the sum of its proper divisors (1631617656).

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

1020502344 is a wasteful number, since it uses less digits than its factorization.

1020502344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7198 (or 7194 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 1020502344 is about 31945.3023776580. The cubic root of 1020502344 is about 1006.7879343600.

Adding to 1020502344 its reverse (4432050201), we get a palindrome (5452552545).

The spelling of 1020502344 in words is "one billion, twenty million, five hundred two thousand, three hundred forty-four".

Divisors: 1 2 3 4 6 8 12 24 29 58 87 116 174 211 232 348 422 633 696 844 1266 1688 2532 5064 6119 6949 12238 13898 18357 20847 24476 27796 36714 41694 48952 55592 73428 83388 146856 166776 201521 403042 604563 806084 1209126 1466239 1612168 2418252 2932478 4398717 4836504 5864956 8797434 11729912 17594868 35189736 42520931 85041862 127562793 170083724 255125586 340167448 510251172 1020502344