Search a number
-
+
40156060 = 2257972957
BaseRepresentation
bin1001100100101…
…1101110011100
32210120010202111
42121023232130
540234443220
63552403404
7665215030
oct231135634
983503674
1040156060
112073792a
1211546564
13841c8a9
1454941c0
1537d315a
hex264bb9c

40156060 has 48 divisors (see below), whose sum is σ = 97401024. Its totient is φ = 13621248.

The previous prime is 40156021. The next prime is 40156069. The reversal of 40156060 is 6065104.

It is a super-2 number, since 2×401560602 = 3225018309447200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40156069) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12102 + ... + 15058.

It is an arithmetic number, because the mean of its divisors is an integer number (2029188).

Almost surely, 240156060 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40156060, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48700512).

40156060 is an abundant number, since it is smaller than the sum of its proper divisors (57244964).

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

40156060 is a wasteful number, since it uses less digits than its factorization.

40156060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3070 (or 3068 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 40156060 is about 6336.8809362335. The cubic root of 40156060 is about 342.4393769130.

The spelling of 40156060 in words is "forty million, one hundred fifty-six thousand, sixty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 97 140 194 388 485 679 970 1358 1940 2716 2957 3395 5914 6790 11828 13580 14785 20699 29570 41398 59140 82796 103495 206990 286829 413980 573658 1147316 1434145 2007803 2868290 4015606 5736580 8031212 10039015 20078030 40156060