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1245232452 = 223103769371
BaseRepresentation
bin100101000111000…
…1011110101000100
310012210010100210110
41022032023311010
510022234414302
6323321353020
742600205212
oct11216136504
93183110713
101245232452
115899a0632
122a9038770
1316aca0849
14bb545cb2
15744c2b6c
hex4a38bd44

1245232452 has 12 divisors (see below), whose sum is σ = 2905542416. Its totient is φ = 415077480.

The previous prime is 1245232451. The next prime is 1245232501. The reversal of 1245232452 is 2542325421.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (1245232451) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51884674 + ... + 51884697.

Almost surely, 21245232452 is an apocalyptic number.

1245232452 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1245232452 is an abundant number, since it is smaller than the sum of its proper divisors (1660309964).

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

1245232452 is a wasteful number, since it uses less digits than its factorization.

1245232452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103769378 (or 103769376 counting only the distinct ones).

The product of its digits is 19200, while the sum is 30.

The square root of 1245232452 is about 35287.8513372520. The cubic root of 1245232452 is about 1075.8460840819.

Adding to 1245232452 its reverse (2542325421), we get a palindrome (3787557873).

The spelling of 1245232452 in words is "one billion, two hundred forty-five million, two hundred thirty-two thousand, four hundred fifty-two".

Divisors: 1 2 3 4 6 12 103769371 207538742 311308113 415077484 622616226 1245232452