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1207450072 = 23150931259
BaseRepresentation
bin100011111111000…
…0011100111011000
310010011000211010001
41013332003213120
54433101400242
6315451502344
741631104413
oct10776034730
93104024101
101207450072
1156a635124
122984579b4
131632024ca
14b650cb7a
157100ceb7
hex47f839d8

1207450072 has 8 divisors (see below), whose sum is σ = 2263968900. Its totient is φ = 603725032.

The previous prime is 1207450039. The next prime is 1207450073. The reversal of 1207450072 is 2700547021.

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 1207450072.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1207450073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75465622 + ... + 75465637.

Almost surely, 21207450072 is an apocalyptic number.

It is an amenable number.

1207450072 is a deficient number, since it is larger than the sum of its proper divisors (1056518828).

1207450072 is a wasteful number, since it uses less digits than its factorization.

1207450072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150931265 (or 150931261 counting only the distinct ones).

The product of its (nonzero) digits is 3920, while the sum is 28.

The square root of 1207450072 is about 34748.3822932809. The cubic root of 1207450072 is about 1064.8531679106.

Adding to 1207450072 its reverse (2700547021), we get a palindrome (3907997093).

The spelling of 1207450072 in words is "one billion, two hundred seven million, four hundred fifty thousand, seventy-two".

Divisors: 1 2 4 8 150931259 301862518 603725036 1207450072