Search a number
-
+
4247993901 = 323401153529
BaseRepresentation
bin1111110100110011…
…0011111000101101
3101222001100110010110
43331030303320231
532144441301101
61541305130233
7210161231604
oct37514637055
911861313113
104247993901
11188a977768
129a6789979
13529110c78
142c426aa3b
1519ce0ecd6
hexfd333e2d

4247993901 has 16 divisors (see below), whose sum is σ = 5925029760. Its totient is φ = 2702092800.

The previous prime is 4247993879. The next prime is 4247993933. The reversal of 4247993901 is 1093997424.

It is a happy number.

It is not a de Polignac number, because 4247993901 - 27 = 4247993773 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4247993401) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49096 + ... + 104433.

It is an arithmetic number, because the mean of its divisors is an integer number (370314360).

Almost surely, 24247993901 is an apocalyptic number.

It is an amenable number.

4247993901 is a deficient number, since it is larger than the sum of its proper divisors (1677035859).

4247993901 is a wasteful number, since it uses less digits than its factorization.

4247993901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153956.

The product of its (nonzero) digits is 489888, while the sum is 48.

The square root of 4247993901 is about 65176.6361589795. The cubic root of 4247993901 is about 1619.5509984889.

The spelling of 4247993901 in words is "four billion, two hundred forty-seven million, nine hundred ninety-three thousand, nine hundred one".

Divisors: 1 3 23 69 401 1203 9223 27669 153529 460587 3531167 10593501 61565129 184695387 1415997967 4247993901