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140305410 = 23257222707
BaseRepresentation
bin10000101110011…
…10010000000010
3100210000020211200
420113032100002
5241404233120
621531122030
73322401450
oct1027162002
9323006750
10140305410
1172220593
123aba3316
13230b636b
14148c39d0
15c4b6e90
hex85ce402

140305410 has 48 divisors (see below), whose sum is σ = 416909376. Its totient is φ = 32069664.

The previous prime is 140305397. The next prime is 140305427. The reversal of 140305410 is 14503041.

It is a happy number.

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

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 110724 + ... + 111983.

It is an arithmetic number, because the mean of its divisors is an integer number (8685612).

Almost surely, 2140305410 is an apocalyptic number.

140305410 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

140305410 is an abundant number, since it is smaller than the sum of its proper divisors (276603966).

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

140305410 is a wasteful number, since it uses less digits than its factorization.

140305410 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222727 (or 222724 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 140305410 is about 11845.0584633424. The cubic root of 140305410 is about 519.6267168159.

Adding to 140305410 its reverse (14503041), we get a palindrome (154808451).

It can be divided in two parts, 140305 and 410, that added together give a triangular number (140715 = T530).

The spelling of 140305410 in words is "one hundred forty million, three hundred five thousand, four hundred ten".

Divisors: 1 2 3 5 6 7 9 10 14 15 18 21 30 35 42 45 63 70 90 105 126 210 315 630 222707 445414 668121 1113535 1336242 1558949 2004363 2227070 3117898 3340605 4008726 4676847 6681210 7794745 9353694 10021815 14030541 15589490 20043630 23384235 28061082 46768470 70152705 140305410