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1242950 = 25224859
BaseRepresentation
bin100101111011101000110
32100011000012
410233131012
5304233300
642350222
713364522
oct4573506
92304005
101242950
11779935
124bb372
13346997
14244d82
15198435
hex12f746

1242950 has 12 divisors (see below), whose sum is σ = 2311980. Its totient is φ = 497160.

The previous prime is 1242947. The next prime is 1242959. The reversal of 1242950 is 592421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1242959) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12380 + ... + 12479.

It is an arithmetic number, because the mean of its divisors is an integer number (192665).

21242950 is an apocalyptic number.

1242950 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1242950 is a deficient number, since it is larger than the sum of its proper divisors (1069030).

1242950 is a wasteful number, since it uses less digits than its factorization.

1242950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24871 (or 24866 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 1242950 is about 1114.8766747941. The cubic root of 1242950 is about 107.5188357116.

The spelling of 1242950 in words is "one million, two hundred forty-two thousand, nine hundred fifty".

Divisors: 1 2 5 10 25 50 24859 49718 124295 248590 621475 1242950