Search a number
-
+
83469490 = 251317179211
BaseRepresentation
bin1001111100110…
…10010010110010
312211001200121121
410332122102302
5132332010430
612141012454
72032323166
oct476322262
9184050547
1083469490
1143130955
1223b5412a
13143a6640
14b12aca6
1574dba7a
hex4f9a4b2

83469490 has 64 divisors (see below), whose sum is σ = 173093760. Its totient is φ = 28707840.

The previous prime is 83469487. The next prime is 83469497. The reversal of 83469490 is 9496438.

It is not an unprimeable number, because it can be changed into a prime (83469497) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 395485 + ... + 395695.

It is an arithmetic number, because the mean of its divisors is an integer number (2704590).

Almost surely, 283469490 is an apocalyptic number.

83469490 is an abundant number, since it is smaller than the sum of its proper divisors (89624270).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

83469490 is a wasteful number, since it uses less digits than its factorization.

83469490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 427.

The product of its (nonzero) digits is 186624, while the sum is 43.

The square root of 83469490 is about 9136.1638557986. The cubic root of 83469490 is about 437.0279905340.

The spelling of 83469490 in words is "eighty-three million, four hundred sixty-nine thousand, four hundred ninety".

Divisors: 1 2 5 10 13 17 26 34 65 85 130 170 179 211 221 358 422 442 895 1055 1105 1790 2110 2210 2327 2743 3043 3587 4654 5486 6086 7174 11635 13715 15215 17935 23270 27430 30430 35870 37769 39559 46631 75538 79118 93262 188845 197795 233155 377690 395590 466310 490997 642073 981994 1284146 2454985 3210365 4909970 6420730 8346949 16693898 41734745 83469490