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8344639801 = 16725472
BaseRepresentation
bin1111100010110000…
…10001100100111001
3210112112220121211101
413301120101210321
5114042211433201
63500010331401
7413534160631
oct76130214471
923475817741
108344639801
1135a2371433
12174a729b61
13a2ca705b4
1459237b6c1
1533c8c5d01
hex1f1611939

8344639801 has 9 divisors (see below), whose sum is σ = 8410282149. Its totient is φ = 8279507964.

The previous prime is 8344639789. The next prime is 8344639817. The reversal of 8344639801 is 1089364438.

The square root of 8344639801 is 91349.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 8344639801 - 27 = 8344639673 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8344639001) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 15255010 + ... + 15255556.

Almost surely, 28344639801 is an apocalyptic number.

8344639801 is the 91349-th square number.

8344639801 is the 45675-th centered octagonal number.

It is an amenable number.

8344639801 is a deficient number, since it is larger than the sum of its proper divisors (65642348).

8344639801 is an frugal number, since it uses more digits than its factorization.

8344639801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1428 (or 714 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 46.

The cubic root of 8344639801 is about 2028.3171604258.

The spelling of 8344639801 in words is "eight billion, three hundred forty-four million, six hundred thirty-nine thousand, eight hundred one".

Divisors: 1 167 547 27889 91349 299209 15255283 49967903 8344639801