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3973977 = 32763079
BaseRepresentation
bin1111001010001101011001
321110220021100
433022031121
52004131402
6221102013
745530640
oct17121531
97426240
103973977
112274787
1213b7909
13a91a87
14756357
1553771c
hex3ca359

3973977 has 12 divisors (see below), whose sum is σ = 6560320. Its totient is φ = 2270808.

The previous prime is 3973973. The next prime is 3973997. The reversal of 3973977 is 7793793.

It is not a de Polignac number, because 3973977 - 22 = 3973973 is a prime.

It is a nude number because it is divisible by every one of its digits.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3973973) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 31477 + ... + 31602.

Almost surely, 23973977 is an apocalyptic number.

It is an amenable number.

3973977 is a deficient number, since it is larger than the sum of its proper divisors (2586343).

3973977 is a wasteful number, since it uses less digits than its factorization.

3973977 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63092 (or 63089 counting only the distinct ones).

The product of its digits is 250047, while the sum is 45.

The square root of 3973977 is about 1993.4836342443. The cubic root of 3973977 is about 158.3951148249.

It can be divided in two parts, 3973 and 977, that added together give a triangular number (4950 = T99).

The spelling of 3973977 in words is "three million, nine hundred seventy-three thousand, nine hundred seventy-seven".

Divisors: 1 3 7 9 21 63 63079 189237 441553 567711 1324659 3973977