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40152130 = 25171931401
BaseRepresentation
bin1001100100101…
…0110001000010
32210112221100221
42121022301002
540234332010
63552333254
7665200414
oct231126102
983487327
1040152130
1120734987
121154422a
13841ab75
1454929b4
1537d1dda
hex264ac42

40152130 has 64 divisors (see below), whose sum is σ = 83358720. Its totient is φ = 13824000.

The previous prime is 40152127. The next prime is 40152131. The reversal of 40152130 is 3125104.

It is a super-2 number, since 2×401521302 = 3224387087073800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40152131) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 99930 + ... + 100330.

It is an arithmetic number, because the mean of its divisors is an integer number (1302480).

Almost surely, 240152130 is an apocalyptic number.

40152130 is an abundant number, since it is smaller than the sum of its proper divisors (43206590).

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

40152130 is a wasteful number, since it uses less digits than its factorization.

40152130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 475.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 40152130 is about 6336.5708391842. The cubic root of 40152130 is about 342.4282052438.

Adding to 40152130 its reverse (3125104), we get a palindrome (43277234).

The spelling of 40152130 in words is "forty million, one hundred fifty-two thousand, one hundred thirty".

Divisors: 1 2 5 10 17 19 31 34 38 62 85 95 155 170 190 310 323 401 527 589 646 802 1054 1178 1615 2005 2635 2945 3230 4010 5270 5890 6817 7619 10013 12431 13634 15238 20026 24862 34085 38095 50065 62155 68170 76190 100130 124310 129523 211327 236189 259046 422654 472378 647615 1056635 1180945 1295230 2113270 2361890 4015213 8030426 20076065 40152130