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4497972 = 2232343379
BaseRepresentation
bin10001001010001000110100
322110112001120
4101022020310
52122413342
6240223540
753142423
oct21121064
98415046
104497972
1125a2436
12160abb0
13c1642b
148512ba
155dcaec
hex44a234

4497972 has 48 divisors (see below), whose sum is σ = 11235840. Its totient is φ = 1397088.

The previous prime is 4497953. The next prime is 4497973. The reversal of 4497972 is 2797944.

It is a super-2 number, since 2×44979722 = 40463504225568, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4497973) 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, 11679 + ... + 12057.

It is an arithmetic number, because the mean of its divisors is an integer number (234080).

Almost surely, 24497972 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 4497972, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5617920).

4497972 is an abundant number, since it is smaller than the sum of its proper divisors (6737868).

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

4497972 is a wasteful number, since it uses less digits than its factorization.

4497972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 452 (or 450 counting only the distinct ones).

The product of its digits is 127008, while the sum is 42.

The square root of 4497972 is about 2120.8422855083. The cubic root of 4497972 is about 165.0715575757.

The spelling of 4497972 in words is "four million, four hundred ninety-seven thousand, nine hundred seventy-two".

Divisors: 1 2 3 4 6 12 23 43 46 69 86 92 129 138 172 258 276 379 516 758 989 1137 1516 1978 2274 2967 3956 4548 5934 8717 11868 16297 17434 26151 32594 34868 48891 52302 65188 97782 104604 195564 374831 749662 1124493 1499324 2248986 4497972