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10247742 = 2332337223
BaseRepresentation
bin100111000101…
…111000111110
3201021122021000
4213011320332
510110411432
61003351130
7153050541
oct47057076
921248230
1010247742
11586a30a
1235224a6
13217a56b
14150a858
15d7657c
hex9c5e3e

10247742 has 64 divisors (see below), whose sum is σ = 24514560. Its totient is φ = 3164832.

The previous prime is 10247693. The next prime is 10247747. The reversal of 10247742 is 24774201.

It is a happy number.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10247747) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 45843 + ... + 46065.

It is an arithmetic number, because the mean of its divisors is an integer number (383040).

Almost surely, 210247742 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10247742, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12257280).

10247742 is an abundant number, since it is smaller than the sum of its proper divisors (14266818).

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

10247742 is a wasteful number, since it uses less digits than its factorization.

10247742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 294 (or 288 counting only the distinct ones).

The product of its (nonzero) digits is 3136, while the sum is 27.

The square root of 10247742 is about 3201.2094589389. The cubic root of 10247742 is about 217.2081221590.

It can be divided in two parts, 102477 and 42, that multiplied together give a palindrome (4304034).

The spelling of 10247742 in words is "ten million, two hundred forty-seven thousand, seven hundred forty-two".

Divisors: 1 2 3 6 9 18 23 27 37 46 54 69 74 111 138 207 222 223 333 414 446 621 666 669 851 999 1242 1338 1702 1998 2007 2553 4014 5106 5129 6021 7659 8251 10258 12042 15318 15387 16502 22977 24753 30774 45954 46161 49506 74259 92322 138483 148518 189773 222777 276966 379546 445554 569319 1138638 1707957 3415914 5123871 10247742