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40150530 = 23257101631
BaseRepresentation
bin1001100100101…
…0011000000010
32210112212011200
42121022120002
540234304110
63552322030
7665162640
oct231123002
983485150
1040150530
1120733762
1211543316
13841a214
145492190
1537d16c0
hex264a602

40150530 has 96 divisors (see below), whose sum is σ = 120676608. Its totient is φ = 9072000.

The previous prime is 40150493. The next prime is 40150541. The reversal of 40150530 is 3505104.

It is a super-2 number, since 2×401505302 = 3224130118561800, which contains 22 as substring.

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 47 ways as a sum of consecutive naturals, for example, 63315 + ... + 63945.

It is an arithmetic number, because the mean of its divisors is an integer number (1257048).

Almost surely, 240150530 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40150530, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60338304).

40150530 is an abundant number, since it is smaller than the sum of its proper divisors (80526078).

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

40150530 is a wasteful number, since it uses less digits than its factorization.

40150530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 752 (or 749 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 18.

The square root of 40150530 is about 6336.4445866748. Note that the first 3 decimals coincide. The cubic root of 40150530 is about 342.4236567727.

Adding to 40150530 its reverse (3505104), we get a palindrome (43655634).

The spelling of 40150530 in words is "forty million, one hundred fifty thousand, five hundred thirty".

Divisors: 1 2 3 5 6 7 9 10 14 15 18 21 30 35 42 45 63 70 90 101 105 126 202 210 303 315 505 606 630 631 707 909 1010 1262 1414 1515 1818 1893 2121 3030 3155 3535 3786 4242 4417 4545 5679 6310 6363 7070 8834 9090 9465 10605 11358 12726 13251 18930 21210 22085 26502 28395 31815 39753 44170 56790 63630 63731 66255 79506 127462 132510 191193 198765 318655 382386 397530 446117 573579 637310 892234 955965 1147158 1338351 1911930 2230585 2676702 2867895 4015053 4461170 5735790 6691755 8030106 13383510 20075265 40150530