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23941740 = 2235795051
BaseRepresentation
bin101101101010…
…1001001101100
31200001100220010
41123111021230
522112113430
62213053220
7410333664
oct133251154
950040803
1023941740
1112572869
128027210
134c63614
1432731a4
15217dcb0
hex16d526c

23941740 has 48 divisors (see below), whose sum is σ = 67898880. Its totient is φ = 6302400.

The previous prime is 23941739. The next prime is 23941789. The reversal of 23941740 is 4714932.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 23941698 and 23941707.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2215 + ... + 7265.

It is an arithmetic number, because the mean of its divisors is an integer number (1414560).

Almost surely, 223941740 is an apocalyptic number.

23941740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23941740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33949440).

23941740 is an abundant number, since it is smaller than the sum of its proper divisors (43957140).

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

23941740 is a wasteful number, since it uses less digits than its factorization.

23941740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5142 (or 5140 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 23941740 is about 4893.0297362677. The cubic root of 23941740 is about 288.2163208881.

The spelling of 23941740 in words is "twenty-three million, nine hundred forty-one thousand, seven hundred forty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 79 158 237 316 395 474 790 948 1185 1580 2370 4740 5051 10102 15153 20204 25255 30306 50510 60612 75765 101020 151530 303060 399029 798058 1197087 1596116 1995145 2394174 3990290 4788348 5985435 7980580 11970870 23941740