Search a number
-
+
171057948 = 22397223659
BaseRepresentation
bin10100011001000…
…10001100011100
3102220212122101120
422030202030130
5322242323243
624550210540
74144653135
oct1214421434
9386778346
10171057948
1188615406
1249353a50
1329592a29
1418a0ac8c
151003dc83
hexa32231c

171057948 has 48 divisors (see below), whose sum is σ = 405672960. Its totient is φ = 56093184.

The previous prime is 171057947. The next prime is 171057959. The reversal of 171057948 is 849750171.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (171057947) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 259243 + ... + 259901.

It is an arithmetic number, because the mean of its divisors is an integer number (8451520).

Almost surely, 2171057948 is an apocalyptic number.

It is an amenable number.

171057948 is an abundant number, since it is smaller than the sum of its proper divisors (234615012).

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

171057948 is a wasteful number, since it uses less digits than its factorization.

171057948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 986 (or 984 counting only the distinct ones).

The product of its (nonzero) digits is 70560, while the sum is 42.

The square root of 171057948 is about 13078.9123400992. The cubic root of 171057948 is about 555.1126011287.

The spelling of 171057948 in words is "one hundred seventy-one million, fifty-seven thousand, nine hundred forty-eight".

Divisors: 1 2 3 4 6 12 97 194 223 291 388 446 582 659 669 892 1164 1318 1338 1977 2636 2676 3954 7908 21631 43262 63923 64893 86524 127846 129786 146957 191769 255692 259572 293914 383538 440871 587828 767076 881742 1763484 14254829 28509658 42764487 57019316 85528974 171057948