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10304730 = 2325611877
BaseRepresentation
bin100111010011…
…110011011010
3201101112102200
4213103303122
510114222410
61004511030
7153405642
oct47236332
921345380
1010304730
1158a9107
12354b476
13219a497
141523522
15d883c0
hex9d3cda

10304730 has 48 divisors (see below), whose sum is σ = 27246024. Its totient is φ = 2701440.

The previous prime is 10304717. The next prime is 10304731. The reversal of 10304730 is 3740301.

It can be written as a sum of positive squares in 4 ways, for example, as 6007401 + 4297329 = 2451^2 + 2073^2 .

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

It is not an unprimeable number, because it can be changed into a prime (10304731) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4552 + ... + 6428.

Almost surely, 210304730 is an apocalyptic number.

10304730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 10304730, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13623012).

10304730 is an abundant number, since it is smaller than the sum of its proper divisors (16941294).

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

10304730 is a wasteful number, since it uses less digits than its factorization.

10304730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1951 (or 1948 counting only the distinct ones).

The product of its (nonzero) digits is 252, while the sum is 18.

The square root of 10304730 is about 3210.0981293412. The cubic root of 10304730 is about 217.6100117267.

The spelling of 10304730 in words is "ten million, three hundred four thousand, seven hundred thirty".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 61 90 122 183 305 366 549 610 915 1098 1830 1877 2745 3754 5490 5631 9385 11262 16893 18770 28155 33786 56310 84465 114497 168930 228994 343491 572485 686982 1030473 1144970 1717455 2060946 3434910 5152365 10304730