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2523972 = 2231119121
BaseRepresentation
bin1001101000001101000100
311202020020110
421220031010
51121231342
6130033020
730311343
oct11501504
94666213
102523972
111474330
12a18770
136a4a99
14499b5a
1534cc9c
hex268344

2523972 has 24 divisors (see below), whose sum is σ = 6424992. Its totient is φ = 764800.

The previous prime is 2523967. The next prime is 2523991. The reversal of 2523972 is 2793252.

It is a happy number.

It is a d-powerful number, because it can be written as 2 + 59 + 211 + 37 + 96 + 74 + 215 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9429 + ... + 9692.

It is an arithmetic number, because the mean of its divisors is an integer number (267708).

22523972 is an apocalyptic number.

2523972 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2523972 is an abundant number, since it is smaller than the sum of its proper divisors (3901020).

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

2523972 is a wasteful number, since it uses less digits than its factorization.

2523972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19139 (or 19137 counting only the distinct ones).

The product of its digits is 7560, while the sum is 30.

The square root of 2523972 is about 1588.7013564544. The cubic root of 2523972 is about 136.1533017556.

It can be divided in two parts, 2523 and 972, that multiplied together give a square (2452356 = 15662).

The spelling of 2523972 in words is "two million, five hundred twenty-three thousand, nine hundred seventy-two".

Divisors: 1 2 3 4 6 11 12 22 33 44 66 132 19121 38242 57363 76484 114726 210331 229452 420662 630993 841324 1261986 2523972