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10102240 = 255103613
BaseRepresentation
bin100110100010…
…010111100000
3201000020200001
4212202113200
510041232430
61000305344
7151603411
oct46422740
921006601
1010102240
11577aa65
123472254
132129275
1414ad808
15d483ca
hex9a25e0

10102240 has 48 divisors (see below), whose sum is σ = 24137568. Its totient is φ = 3995136.

The previous prime is 10102207. The next prime is 10102289. The reversal of 10102240 is 4220101.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16174 + ... + 16786.

It is an arithmetic number, because the mean of its divisors is an integer number (502866).

Almost surely, 210102240 is an apocalyptic number.

10102240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10102240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12068784).

10102240 is an abundant number, since it is smaller than the sum of its proper divisors (14035328).

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

10102240 is a wasteful number, since it uses less digits than its factorization.

10102240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 731 (or 723 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

The square root of 10102240 is about 3178.4021142706. The cubic root of 10102240 is about 216.1752122018.

Adding to 10102240 its reverse (4220101), we get a palindrome (14322341).

The spelling of 10102240 in words is "ten million, one hundred two thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 16 20 32 40 80 103 160 206 412 515 613 824 1030 1226 1648 2060 2452 3065 3296 4120 4904 6130 8240 9808 12260 16480 19616 24520 49040 63139 98080 126278 252556 315695 505112 631390 1010224 1262780 2020448 2525560 5051120 10102240