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140245410 = 23517733767
BaseRepresentation
bin10000101101111…
…11100110100010
3100202220012112110
420112333212202
5241400323120
621525540150
73322031514
oct1026774642
9322805473
10140245410
117218a4a8
123ab74656
1323094c66
14148a9bb4
15c4a42e0
hex85bf9a2

140245410 has 64 divisors (see below), whose sum is σ = 361366272. Its totient is φ = 34707456.

The previous prime is 140245409. The next prime is 140245423. The reversal of 140245410 is 14542041.

It is a happy number.

140245410 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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, 35347 + ... + 39113.

It is an arithmetic number, because the mean of its divisors is an integer number (5646348).

Almost surely, 2140245410 is an apocalyptic number.

140245410 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 140245410, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (180683136).

140245410 is an abundant number, since it is smaller than the sum of its proper divisors (221120862).

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

140245410 is a wasteful number, since it uses less digits than its factorization.

140245410 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3867.

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 140245410 is about 11842.5254907895. The cubic root of 140245410 is about 519.5526354523.

Adding to 140245410 its reverse (14542041), we get a palindrome (154787451).

The spelling of 140245410 in words is "one hundred forty million, two hundred forty-five thousand, four hundred ten".

Divisors: 1 2 3 5 6 10 15 17 30 34 51 73 85 102 146 170 219 255 365 438 510 730 1095 1241 2190 2482 3723 3767 6205 7446 7534 11301 12410 18615 18835 22602 37230 37670 56505 64039 113010 128078 192117 274991 320195 384234 549982 640390 824973 960585 1374955 1649946 1921170 2749910 4124865 4674847 8249730 9349694 14024541 23374235 28049082 46748470 70122705 140245410