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6413972 = 221603493
BaseRepresentation
bin11000011101111010010100
3110001212022112
4120131322110
53120221342
6345250152
7105342425
oct30357224
913055275
106413972
113690a04
122193958
131437566
14bcd64c
1586a682
hex61de94

6413972 has 6 divisors (see below), whose sum is σ = 11224458. Its totient is φ = 3206984.

The previous prime is 6413951. The next prime is 6413983. The reversal of 6413972 is 2793146.

It can be written as a sum of positive squares in only one way, i.e., 4866436 + 1547536 = 2206^2 + 1244^2 .

It is a super-2 number, since 2×64139722 = 82278073633568, which contains 22 as substring.

It is a d-powerful number, because it can be written as 63 + 48 + 1 + 310 + 92 + 78 + 219 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 801743 + ... + 801750.

It is an arithmetic number, because the mean of its divisors is an integer number (1870743).

Almost surely, 26413972 is an apocalyptic number.

It is an amenable number.

6413972 is a deficient number, since it is larger than the sum of its proper divisors (4810486).

6413972 is a wasteful number, since it uses less digits than its factorization.

6413972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1603497 (or 1603495 counting only the distinct ones).

The product of its digits is 9072, while the sum is 32.

The square root of 6413972 is about 2532.5820815918. The cubic root of 6413972 is about 185.7985640587.

The spelling of 6413972 in words is "six million, four hundred thirteen thousand, nine hundred seventy-two".

Divisors: 1 2 4 1603493 3206986 6413972