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1357225633 = 6720257099
BaseRepresentation
bin101000011100101…
…1001111010100001
310111120212012120001
41100321121322201
510234422210013
6342402020001
745430141021
oct12071317241
93446765501
101357225633
11637133785
1231a647601
131882531ba
14cc379a81
157e245ddd
hex50e59ea1

1357225633 has 4 divisors (see below), whose sum is σ = 1377482800. Its totient is φ = 1336968468.

The previous prime is 1357225619. The next prime is 1357225691. The reversal of 1357225633 is 3365227531.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3365227531 = 25113407281.

It is a cyclic number.

It is not a de Polignac number, because 1357225633 - 217 = 1357094561 is a prime.

It is a super-2 number, since 2×13572256332 = 3684122837744501378, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1357225592 and 1357225601.

It is not an unprimeable number, because it can be changed into a prime (1357225693) 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, 10128483 + ... + 10128616.

It is an arithmetic number, because the mean of its divisors is an integer number (344370700).

Almost surely, 21357225633 is an apocalyptic number.

It is an amenable number.

1357225633 is a deficient number, since it is larger than the sum of its proper divisors (20257167).

1357225633 is an equidigital number, since it uses as much as digits as its factorization.

1357225633 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20257166.

The product of its digits is 113400, while the sum is 37.

The square root of 1357225633 is about 36840.5433320411. The cubic root of 1357225633 is about 1107.1777539124.

The spelling of 1357225633 in words is "one billion, three hundred fifty-seven million, two hundred twenty-five thousand, six hundred thirty-three".

Divisors: 1 67 20257099 1357225633