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1020465330 = 235181187931
BaseRepresentation
bin111100110100110…
…001000010110010
32122010012000021020
4330310301002302
54042214342310
6245132040310
734200545403
oct7464610262
92563160236
101020465330
11484031785
12245903096
13133554351
14997579aa
155e8c5170
hex3cd310b2

1020465330 has 32 divisors (see below), whose sum is σ = 2462660928. Its totient is φ = 270619200.

The previous prime is 1020465301. The next prime is 1020465331. The reversal of 1020465330 is 335640201.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1020465330.

It is not an unprimeable number, because it can be changed into a prime (1020465331) 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, 88536 + ... + 99395.

It is an arithmetic number, because the mean of its divisors is an integer number (76958154).

Almost surely, 21020465330 is an apocalyptic number.

1020465330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1020465330 is an abundant number, since it is smaller than the sum of its proper divisors (1442195598).

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

1020465330 is a wasteful number, since it uses less digits than its factorization.

1020465330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188122.

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 1020465330 is about 31944.7230383987. The cubic root of 1020465330 is about 1006.7757620218.

The spelling of 1020465330 in words is "one billion, twenty million, four hundred sixty-five thousand, three hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 181 362 543 905 1086 1810 2715 5430 187931 375862 563793 939655 1127586 1879310 2818965 5637930 34015511 68031022 102046533 170077555 204093066 340155110 510232665 1020465330