Search a number
-
+
198472032004 = 22172131032
BaseRepresentation
bin1011100011010111011…
…0101101111100000100
3200222021212010212110011
42320311312231330010
511222432320011004
6231102104240004
720224215302551
oct2706566557404
9628255125404
10198472032004
1177198319234
123256ba70004
131593c8b6abc
14986b1bba28
155269253004
hex2e35dadf04

198472032004 has 27 divisors (see below), whose sum is σ = 368986981237. Its totient is φ = 93391475264.

The previous prime is 198472031969. The next prime is 198472032023. The reversal of 198472032004 is 400230274891.

The square root of 198472032004 is 445502.

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

It can be written as a sum of positive squares in only one way, i.e., 154519748100 + 43952283904 = 393090^2 + 209648^2 .

It is a super-2 number, since 2×1984720320042 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 15140517 + ... + 15153619.

Almost surely, 2198472032004 is an apocalyptic number.

198472032004 is the 445502-nd square number.

It is an amenable number.

198472032004 is a deficient number, since it is larger than the sum of its proper divisors (170514949233).

198472032004 is an frugal number, since it uses more digits than its factorization.

198472032004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26244 (or 13122 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 40.

The spelling of 198472032004 in words is "one hundred ninety-eight billion, four hundred seventy-two million, thirty-two thousand, four".

Divisors: 1 2 4 17 34 68 289 578 1156 13103 26206 52412 222751 445502 891004 3786767 7573534 15147068 171688609 343377218 686754436 2918706353 5837412706 11674825412 49618008001 99236016002 198472032004