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1030199394 = 2372310110559
BaseRepresentation
bin111101011001111…
…001100001100010
32122210111112220010
4331121321201202
54102212340034
6250120425350
734346356530
oct7531714142
92583445803
101030199394
11489580064
12249018256
13135581b53
149ab6d150
15606993e9
hex3d679862

1030199394 has 64 divisors (see below), whose sum is σ = 2481684480. Its totient is φ = 278731200.

The previous prime is 1030199389. The next prime is 1030199407. The reversal of 1030199394 is 4939910301.

It is a super-2 number, since 2×10301993942 = 2122621582795934472, which contains 22 as substring.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 92287 + ... + 102845.

It is an arithmetic number, because the mean of its divisors is an integer number (38776320).

Almost surely, 21030199394 is an apocalyptic number.

1030199394 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1030199394, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1240842240).

1030199394 is an abundant number, since it is smaller than the sum of its proper divisors (1451485086).

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

1030199394 is a wasteful number, since it uses less digits than its factorization.

1030199394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10695.

The product of its (nonzero) digits is 26244, while the sum is 39.

The square root of 1030199394 is about 32096.7193650691. The cubic root of 1030199394 is about 1009.9667975884.

The spelling of 1030199394 in words is "one billion, thirty million, one hundred ninety-nine thousand, three hundred ninety-four".

Divisors: 1 2 3 6 7 14 21 23 42 46 69 101 138 161 202 303 322 483 606 707 966 1414 2121 2323 4242 4646 6969 10559 13938 16261 21118 31677 32522 48783 63354 73913 97566 147826 221739 242857 443478 485714 728571 1066459 1457142 1699999 2132918 3199377 3399998 5099997 6398754 7465213 10199994 14930426 22395639 24528557 44791278 49057114 73585671 147171342 171699899 343399798 515099697 1030199394