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40072150 = 25231103251
BaseRepresentation
bin1001100011011…
…1001111010110
32210101212122201
42120313033112
540224302100
63550515114
7664415266
oct230671726
983355581
1040072150
112068a888
1211505a9a
1383c0641
1454717a6
1537b836a
hex26373d6

40072150 has 48 divisors (see below), whose sum is σ = 77995008. Its totient is φ = 15300000.

The previous prime is 40072139. The next prime is 40072169. The reversal of 40072150 is 5127004.

40072150 = T996 + T997 + ... + T1070.

It is a congruent number.

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, 159525 + ... + 159775.

It is an arithmetic number, because the mean of its divisors is an integer number (1624896).

Almost surely, 240072150 is an apocalyptic number.

40072150 is a deficient number, since it is larger than the sum of its proper divisors (37922858).

40072150 is a wasteful number, since it uses less digits than its factorization.

40072150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 397 (or 392 counting only the distinct ones).

The product of its (nonzero) digits is 280, while the sum is 19.

The square root of 40072150 is about 6330.2567088547. The cubic root of 40072150 is about 342.2006904349.

Adding to 40072150 its reverse (5127004), we get a palindrome (45199154).

The spelling of 40072150 in words is "forty million, seventy-two thousand, one hundred fifty".

Divisors: 1 2 5 10 25 31 50 62 103 155 206 251 310 502 515 775 1030 1255 1550 2510 2575 3193 5150 6275 6386 7781 12550 15562 15965 25853 31930 38905 51706 77810 79825 129265 159650 194525 258530 389050 646325 801443 1292650 1602886 4007215 8014430 20036075 40072150