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10249440 = 2535131163
BaseRepresentation
bin100111000110…
…010011100000
3201021201120220
4213012103200
510110440230
61003403040
7153055515
oct47062340
921251526
1010249440
115870613
123523480
13217b276
14150b30c
15d76d10
hex9c64e0

10249440 has 96 divisors (see below), whose sum is σ = 32731776. Its totient is φ = 2695680.

The previous prime is 10249429. The next prime is 10249451. The reversal of 10249440 is 4494201.

It is an interprime number because it is at equal distance from previous prime (10249429) and next prime (10249451).

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 10249440.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 62799 + ... + 62961.

It is an arithmetic number, because the mean of its divisors is an integer number (340956).

Almost surely, 210249440 is an apocalyptic number.

10249440 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 10249440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16365888).

10249440 is an abundant number, since it is smaller than the sum of its proper divisors (22482336).

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

10249440 is a wasteful number, since it uses less digits than its factorization.

10249440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 312 (or 304 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 10249440 is about 3201.4746602152. The cubic root of 10249440 is about 217.2201182658.

The spelling of 10249440 in words is "ten million, two hundred forty-nine thousand, four hundred forty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 48 60 80 96 120 131 160 163 240 262 326 393 480 489 524 652 655 786 815 978 1048 1304 1310 1572 1630 1956 1965 2096 2445 2608 2620 3144 3260 3912 3930 4192 4890 5216 5240 6288 6520 7824 7860 9780 10480 12576 13040 15648 15720 19560 20960 21353 26080 31440 39120 42706 62880 64059 78240 85412 106765 128118 170824 213530 256236 320295 341648 427060 512472 640590 683296 854120 1024944 1281180 1708240 2049888 2562360 3416480 5124720 10249440