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1307258242 = 22014732443
BaseRepresentation
bin100110111101011…
…0010110110000010
310101002211121011221
41031322302312002
510134124230432
6333415025254
744252340343
oct11572626602
93332747157
101307258242
11610a05514
1230596b22a
1317aaa98b4
14c58900ca
1579b75b97
hex4deb2d82

1307258242 has 8 divisors (see below), whose sum is σ = 1961045136. Its totient is φ = 653576532.

The previous prime is 1307258237. The next prime is 1307258257. The reversal of 1307258242 is 2428527031.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×13072582422 = 3417848222553861128, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1307258198 and 1307258207.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24073 + ... + 56515.

It is an arithmetic number, because the mean of its divisors is an integer number (245130642).

Almost surely, 21307258242 is an apocalyptic number.

1307258242 is a deficient number, since it is larger than the sum of its proper divisors (653786894).

1307258242 is a wasteful number, since it uses less digits than its factorization.

1307258242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52592.

The product of its (nonzero) digits is 26880, while the sum is 34.

The square root of 1307258242 is about 36156.0263579946. The cubic root of 1307258242 is about 1093.4202924051.

The spelling of 1307258242 in words is "one billion, three hundred seven million, two hundred fifty-eight thousand, two hundred forty-two".

Divisors: 1 2 20147 32443 40294 64886 653629121 1307258242