Search a number
-
+
1972077 = 35379157
BaseRepresentation
bin111100001011101101101
310201012011220
413201131231
51001101302
6110133553
722522332
oct7413555
93635156
101972077
111127718
127b12b9
13540813
14394989
1528e4bc
hex1e176d

1972077 has 16 divisors (see below), whose sum is σ = 2730240. Its totient is φ = 1265472.

The previous prime is 1972049. The next prime is 1972079. The reversal of 1972077 is 7702791.

It is not a de Polignac number, because 1972077 - 26 = 1972013 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1972079) by changing a digit.

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, 12483 + ... + 12639.

It is an arithmetic number, because the mean of its divisors is an integer number (170640).

21972077 is an apocalyptic number.

It is an amenable number.

1972077 is a deficient number, since it is larger than the sum of its proper divisors (758163).

1972077 is a wasteful number, since it uses less digits than its factorization.

1972077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 292.

The product of its (nonzero) digits is 6174, while the sum is 33.

The square root of 1972077 is about 1404.3065904567. The cubic root of 1972077 is about 125.4030086094.

The spelling of 1972077 in words is "one million, nine hundred seventy-two thousand, seventy-seven".

Divisors: 1 3 53 79 157 159 237 471 4187 8321 12403 12561 24963 37209 657359 1972077