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40051152 = 2433831117
BaseRepresentation
bin1001100011001…
…0000111010000
32210100210212000
42120302013100
540223114102
63550234000
7664300131
oct230620720
983323760
1040051152
1120676029
12114b5900
1383b3c0b
145467c88
1537b201c
hex26321d0

40051152 has 80 divisors (see below), whose sum is σ = 116450880. Its totient is φ = 13177728.

The previous prime is 40051129. The next prime is 40051159. The reversal of 40051152 is 25115004.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40051159) 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, 35298 + ... + 36414.

It is an arithmetic number, because the mean of its divisors is an integer number (1455636).

Almost surely, 240051152 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 40051152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58225440).

40051152 is an abundant number, since it is smaller than the sum of its proper divisors (76399728).

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

40051152 is a wasteful number, since it uses less digits than its factorization.

40051152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1217 (or 1205 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 18.

The square root of 40051152 is about 6328.5979489931. The cubic root of 40051152 is about 342.1409083872.

Adding to 40051152 its reverse (25115004), we get a palindrome (65166156).

The spelling of 40051152 in words is "forty million, fifty-one thousand, one hundred fifty-two".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 27 36 48 54 72 83 108 144 166 216 249 332 432 498 664 747 996 1117 1328 1494 1992 2234 2241 2988 3351 3984 4468 4482 5976 6702 8936 8964 10053 11952 13404 17872 17928 20106 26808 30159 35856 40212 53616 60318 80424 92711 120636 160848 185422 241272 278133 370844 482544 556266 741688 834399 1112532 1483376 1668798 2225064 2503197 3337596 4450128 5006394 6675192 10012788 13350384 20025576 40051152